Its major disadvantage is that a single carburettor supplying a four- cylinder engine cannot give each cylinder precisely the same fuel/air mixture because some of the cylinders are further away from the carburettor than others. There are various switches, valves and realysin the K-Jetronic fuel injection system, so I will try and describe their function and how to test them. The main input to the control unit is the oxygen sensor. OnL-Jetronic systems, turning the screw in fattens themixture,turningit outleansthe mixture. 5% cis-jetronic has 99. Rebuild kit for Bosch KE - Jetronic and cis K jetronic warm up regulators (WUR). Manufactured in the USA using the latest cutting edge technology. It could reach a top speed of 127 mph / 204 km/h. 0:1 Compression ratio, Knock sensing ignition system, Bosch KE-Jetronic (3 wire O2 sensor) fuel injection. Ik heb de hele Ke-jetronic manual uitgeprint waar je ook deze waarde tegenkomt samen met de rest. 2232 Air mass/flow sensor - No signal. The mixture preparation system meters fuel to correspond with the amount of intake air. Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic (CIS-E) fuel injection, such as is used on the 1988-91 560 series motors. Covers the. (CIS-E) fuel injection, such as is used on the. Timing advance and fuel mixture adjustment information: K-Jetronic (CIS) Idle screw 9 K: Test points 9 K: Distributor 8 K: Cute plug 7 K: Mixture 6 K: Tools 21 K: Timing advance and fuel mixture adjustment information: KE-Jetronic (CIS-E) ISV 41 K: CPA 29 K: Distributor 42 K: Adapter 28 K: Timing belt, water pump, radiator, cam cover gasket. Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic (CIS-E) fuel injection, such as is used on the 1988-91 560 series motors. 中平布:plain cloth 15. Hello all, just took the KE-Jetronic of my 85 Ur barn find appart. View Profile View Forum Posts Private Message. It requires 0(1 drive, sod injects the luel continuously. The Engine's Fuel Requirements A spark-ignition engine needs a particular air-fuel ratio in order to operate. This vehicle is as nice as the pictures. Last edited by kwak; 12-20-2016 at 11:47 PM. Automotive Engineering Engine Management KE-Jetronic (Multi-point) Introduced in 1973, KE-Jetronic is an electronically / mechanically / hydraulically controlled uel injection system in which the uel is injected continuously into the intake maniold. Socially inappropriate motoring information, available in 1qt increments. W124 300TE (KE-Jetronic) afogando? Portal Mercedes-Benz Brasil :: Dicas de Manutenção - Área técnica :: Ajuda técnica em geral, dicas de manutenção, compras exterior, restauração e customização/tunning :: Ajuda técnica. I have been studying the Bosch K-Jetronic Tech manual and have some questions -Is it possible to upgrade the Lambda sensor to a heated style? -Why doesn't the Delorean have an auxilary-air device, or does it? -Would some one please explain what the frequency valve does in laymen's terms? -Are the Delorean fuel injectors "air-shrouded"?. 74 GERMAN: 1951 Porsche. Repair Guides. 00 Bosch KE Jetronic: will adjust the fuel mixture as fuel temps increase. Sign in with Twitter. It contains all the fixings and gauges. H opefully you all read last month's feature on Bosch K and KE and are ready for part 2. 261 Fuel injection valves. BTU TECHNICAL PUBLICATION January 9, 1999 BLINK FAULT CODE DIAGNOSTIC REFERENCE for VOLKSWAGEN & AUDI (USA only) Volkswagen and Audi models, beginning with production year 1988 thru 1995, utilize a system of blink codes for injection, ignition and emissions fault diagnosis. This thread is intended for those that want to find problem first, or who don't want, but don't have parts available to just change them until problem disappears :D So, let's begin. Before trouble-shooting, testing or adjusting the K-Jetronic fuel injection system, the ignition sys-tem and the mechanical system of the engine (compression, valve timing, etc. 040 inch to 0. 0280 800 001 and 0280 800 021 Notes on Operation Purpose of Unit. Disconnect the Return line from the Distributor Head (6A), and connect a hose from the Distributor Head outlet to the bottom of the Auxiliary Fuel Tank (2A). Description and Operation KE-Jetronic (CIS-E) Injection System The mechanical portion of the CIS-E system consists of the mixture control unit (air flow meter and fuel distributor), primary pressure regulator, fuel accumulator, cold start valve, fuel injectors, pumps, filter, lines, tank and fuel cooler. Hi everyone. Bosch K-Jetronic Fuel Injection System - Idiots Guide – 27-10-2009, 11:34 PM Hello everyone, For those of you with older cars, I have just finished my dumbed down idiots guide to the workings of the famed Bosch K-Jetronic mechanical fuel injection system. The ideal air-fuel ratio is 14. (CIS-E) fuel injection, such as is used on the. Some later (post-1995) versions contain hardware support for first generation diagnostics according to ISO 9141 (a. 340 series, 10. I wanted to fill in the gaps in knowledge and get and idea of how the k jetronic system looks like from inside for a long time already. Jetronic is a trade name of a fuel injection technology for automotive petrol engines, developed and marketed by Robert Bosch GmbH from the 1960s onwards. The main tuning solution behind the DIY electronics is for EFI fuel control. HPBooks are published by The Berkley Publishing Group A division of Penguin Putnam Inc. fast tech / tech / Bosch K/KE JEtronic inJEction / This month Stu starts his series looking at Bosch K/KE Jetronic fuel injection. 7mA (ignition on but engine off for KE3-jetronic and KE-motronic - 90 - 120 mA) This seems out of spec. Stop the engine and de-pressurise the flow meter. Every model of the SL series is one: the series was established in 1954 by the 190 SL, which the company explicitly described as a touring sports car. S specifications cars. He also gives you high performance tuning secrets that really work for street and racing applications and tells you why some tricks like fooling the computer don t. The key is to advance the timing to the peak power point. ) for parts / troubleshooting by a mechanic (on the '78), and it was solved with less than $100 by myself when he couldn't figure it out. 5 to 1983 and 1994 on the Turbo Porsche models. I use a long 3 mm Allen key with a T-shaped. (CIS-E) fuel injection, such as is used on the. Y: Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic (CIS-E) fuel injection, such as is used on the 1988-91 560 series motors. The Power Module is an electronic device developed for '85> VW's with KE-Jetronic/Digifant FI to deliver the correct amount of fuel when needed. Ingénierie; Génie mécanique; Telechargé par Hervé Duclut Bosch Fuel Injection Systems - Forbes Aird. My 79 BMW has pretty much the same Bosch K-Jet system. 5 on idle,you may find. KE3 JETRONIC PDF - Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic. If yours is K jet it will be RG, KR, GZ, EV, If its a KE or K it wont have a tps sensor at all, all the fueing mixture is controled by the sensor plate and fuel distributer. Regards Alex - Answered by a verified UK Auto Mechanic. mercedes benz model 124 m103 ke jetronic Media Publishing eBook, ePub, Kindle PDF View ID 040f31abe Dec 22, 2019 By Danielle Steel including the first mercedes suggests that special tools are required to adjust the mixture on the bosch ke3 jetronic cis e fuel injection such as is used on the 1988 91 560 series motors the dedicated shade. There are different types of multi-point fuel injection systems such as, D-JETRONIC, KJETRONIC, KE-JETRONIC, L-JETRONIC, etc. You need a co meter to make this adjustment. Bosch KE-jetronic (CIS-E in the US) issues. JAGUAR V12 FUEL INJECTION 1975-1980 - D Jetronic. caterus Karting. Using the K-jet Fuel Pressure Test Kit Notes from experience with 1979 Volvo 244DL and a 1983 Volvo 244Ti Turbo. Apart from alterations to a few details. Fuel Pump Relay. List of Chapters: Basic principles of physics Quantities and units Sl units Legal units Systems of units not to be used Quantities and units Conversion of units Basic equations used in mechanics Symbols and units Rectilinear and rotary motion Laws of projectile motion Free fall Moments of inertia Transmission of force Friction Vibrations and oscillations. The KE2-Jetronic system is based upon the. Probst, SAE. KE-jetronic (test, diagnostic) Function. , between slightly rich and slightly. So yes, it was misleading. Adjusting Potentiometer, Idle mixture, Throttle. Pressurize the system by removing the fuel pump relay and use a fused jumper wire with a 16 amp fuse between terminals 7 and 8. 7:1 air-fuel mixture ratio for maximum fuel economy and emissions control. BTU TECHNICAL PUBLICATION January 9, 1999 BLINK FAULT CODE DIAGNOSTIC REFERENCE for VOLKSWAGEN & AUDI (USA only) Volkswagen and Audi models, beginning with production year 1988 thru 1995, utilize a system of blink codes for injection, ignition and emissions fault diagnosis. KE Jetronic Diagnosis *KE Jetronic Diagnosis Hello all on this forum. There are a couple of options in order to get a decent CPS (Crank Position Sensor) signal to the E-DIS unit. To adjust the fuel mixture a small 3 mm Allen screw is located within the airflow sensor; this alters the relationship between the sensor arm and the control plunger. A KE has a throttle switch so when its at idle the computer can control the idle speed using the Idle stabilizer valve. The DPR takes a continuous current drive signal in the -50 to +50 milliamp range. As the spark plugs, ignition cables, distributor cap and rotor, and ignition coil wear over time, their ability to transfer the needed spark to ignite the air-fuel mixture inside the combustion chambers becomes compromised. Gasoline Fuel-Injection System K-Jetronic Gasoline Fuel. Stop the engine and de-pressurise the flow meter. Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic (CIS-E) fuel injection, such as is used on the 1988-91 560 series motors. There are different types of multi-point fuel injection systems such as, D-JETRONIC, KJETRONIC, KE-JETRONIC, L-JETRONIC, etc. If in doubt, spray break cleaner on pipes, hoses, injectors, intake manifold and MAP sensor. Check wiring for break or short. CIS Fuel Injection Components Also called K-jetronic this fuel injection system was used on six cylinder Porsche® after MFI, 1973. The pressure actuator is directly controlled by a variable electric current delivered by the fuel-injection control module. Timing advance and fuel mixture adjustment information: K-Jetronic (CIS) Idle screw 9 K: Test points 9 K: Distributor 8 K: Cute plug 7 K: Mixture 6 K: Tools 21 K: Timing advance and fuel mixture adjustment information: KE-Jetronic (CIS-E) ISV 41 K: CPA 29 K: Distributor 42 K: Adapter 28 K: Timing belt, water pump, radiator, cam cover gasket. If I’m not happy with the result, I go for another increment of about 15°. Discussion in 'Mondial' started by caterus, May 22, 2012. R107 Schrauber Mercedes Kraftstoffdruck messen -KE-Jetronic. Kirk McGehee) 2. The mechanical fuel injection system has recently been overshadowed by modern electronic injection, which To adjust the fuel mixture a small 3 mm Allen screw is located within the airflow sensor; this alters the relationship between the sensor arm and the control plunger. I still have the bad fuell smell - wego0001 2020-04-11 18:36:56 (60 views) Done, all back together and ready to go back into the car. Mercedes W124: KE-Jetronic Euphoria This is after eha adjustment, on a hot as hell. Sign in with Facebook. Sometimes after the car sits for 10+ minutes it takes a good 10 seconds of cranking for the engine to turn on, then it runs rough at about 400 rpm for 5 seconds or so then settles smoothly at 900 rpm after about 10 seconds. K-Jetronic: Troubleshooting Symptoms K-Jetronic is a mechanical system: the fuel is continuously metered in proportion to the quantity of air drawn in by the engine. L-Jetronic System - Air Flow Meter - Electrical ComponentsSpring loaded. Ke jetronic mixture adjustment Ke jetronic mixture adjustment. Manufactured in the USA using the latest cutting edge technology. Rebuilding the K Jetronic Alloy adjustable Fuel distributor When do you have to rebuild your K Jetronic fuel distributor When do you rebuild the K Jetronic fuel distributor If the fuel distributor has an unequal flow from each port and can't be adjusted. The potentiometer for the air flow meter is a common failure on KE-Jetronic systems, especially at the idle position. The idea is to adjust the mixture so that the EHA > current ranges around 0. Shelve those carburetor habits for a moment, friend. All sensors are used here to calculate when and how long to open the fuel injectors. Low impedance injectors (with a resistance of less than 6 Ohms) should always be used. Refitting 6 Refitting is a reversal of removal. I have a mercedes benz W116 280 SE USA version from 1977 with K Jetronic fuel injection. This type of mechanical fuel injection pump was used by Mercedes-Benz in the 1950s. The KE-Jetronic disappeared from vehicles too early to still participate in the blessings of modern times. ) for parts / troubleshooting by a mechanic (on the '78), and it was solved with less than $100 by myself when he couldn't figure it out. Certain operating conditions make it necessary to correct the mixture accordingly. Most fuel injection systems are for gasoline or diesel. com Cis-Jetronic 346 followers cis-jetronic ( 2692 cis-jetronic's feedback score is 2692 ) 99. engine is equipped with the KE-Jetronic continuous fuel injection system. Just LIKE and. Mercedes W124: KE-Jetronic Euphoria This is after eha adjustment, on a hot as hell. Dec 24, 2010 59 Oxfordshire, UK Full Name: Tim #1 caterus, May 22, 2012. Good Morning, Adjusting the mixture screw with the 3mm allen wrench does not appear to have any impact. The two primary adjustments for the CIS are the idle speed and the mixture adjustment. Repairing the CIS Jetronic Alloy adjustable Bosch Fuel distributor In General: Mercedes-Benz and Bosch doesn't support the repair of fuel distributors. Jetronic is a trade name of a fuel injection technology for automotive petrol engines, developed and marketed by Robert Bosch GmbH from the 1960s onwards. Really this whole thing screams out for a O2 sensor in the collector, driving a feedback system to adjust the position of the pin thereby keeping the mixture in the sweet spot. as the ke system has been described and pictured for many times i decided to show you how the k jetronic system on a 102 engine of the w123 model operates. Lambda-Sond = an independent electronic system using an O² sensor to adjust fuel mixture on K-jet fuel systems; also Swedish for oxygen sensor lag = low, or the time delay from depressing throttle to full boost on a turbo. Write a review. KE3 JETRONIC PDF - Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic. 2232 Air mass/flow sensor - No signal. Section B2 Fuel injection system K-Jetronic Naturally aspirated engines are fitted with the Bosch K-Jetronic continuous fuel injection system. DESCRIPTION The Bosch D-Jetronic electronic fuel injection system is composed of 3 major subsystems: the air intake system, the fuel system, and the electronic control system. The engine has an electronic ignition system with an electronic spark timing adjustment. Fault diagnosis, adjustment and repair of the steering system: a- Study the following problems in detail: - Unstable vehicle, - Vehicle vibrations, - Steering wobbles, - Diagnosis regarding all mechanical parts of suspension systems. Development. The final incarnation producing 237 hp power and 402 Nm of torque at 3,200 rpm. mercedes benz model 124 m103 ke jetronic Media Publishing eBook, ePub, Kindle PDF View ID 040f31abe Dec 22, 2019 By Danielle Steel including the first mercedes suggests that special tools are required to adjust the mixture on the bosch ke3 jetronic cis e fuel injection such as is used on the 1988 91 560 series motors the dedicated shade. Hi guys i want to adjust the idle mixture on my car, smells as though it's running a little rich. The electronic system worked good only if all mechanical adjustments were perfect. This is handy for various no-helper tasks, not just k-jet service. This little goody is a common culprit in K-jet or CIS problems, along with pumps, one-way valves, accumulators and fuel distributors. 70 ENGLISH: 1958 Triumph TR3A Works Rally Roadster, p. Principle behind MPFI The power is produced in a petrol engine is by burning the fuel. jetronic 167. Owning a second hand vehicle with a partially working KE-Jetronic system is a big challenge to any experienced user. Page 2 of 2 First 1 2. different fuel distributors and different air metering plates/venturis by manufacturer seem to vary surprisingly little, with the exception of how advanced some of the later vw/audi/mercedes stuff got. This little goody is a common culprit in K-jet or CIS problems, along with pumps, one-way valves, accumulators and fuel distributors. (rebuild). In my opinion, there are several approaches, which offer quite significant improvements in fuel delivery. NOTE: With CI fuel injection, the lower the duty cycle or dwell, the richer the idle fuel mixture. These meters are connected to the X11 connector (the round, 9-pin conneector found on the driver's side firewall -- same as is found on the 1992 US model 500E cars) and this is. This vehicle is as nice as the pictures. Development. If you didn’t, you should probably grab a back issue, as some of this may not make sense without reading the first part. The interesting thing would be to check the duty-cycle signal (if K-Jetronic) or the modulation current (KE-Jetronic) to see where the mixture actually goes to. During this process, turn the screw no more than a quarter turn at a time. The final car of the 18 years running 107 series - 500 SL painted Astral Silver was built on August 4, 1989 and it currently resides in the. 5V, check a vacuum leak at the intake boot, vacuum hoses, injector seals and (or) intake manifold gasket etc. engine is equipped with the KE-Jetronic continuous fuel injection system. Playing with your K -Jetronic Warm Up Regulator, or WUR. Sign in with Twitter. If you didn’t, you should probably grab a back issue, as some of this may not make sense without reading the first part. Only thing is, it has no instructions on how to use, but I'm sure there are guides online at least. You may even find one at a garage sale for a few bucks. K-Jetronic mixture adjustment. You asked what the differences between an '85 Golf and Golf-GTI were? '85 Golf=~85Hp 8. The main input to the control unit is the oxygen sensor. Hook-up the Auxiliary Fuel Tank and fittings as shown on Page (4). Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic (CIS-E) fuel injection, such as is used on the 1988-91 560 series motors. View Profile View Forum Posts Private Message. Jetronic RX-7 Brought to you by the team at VintageRotariesorg Created Date: 4/21/2008 4:30:55 AM Download Vw L Jetronic Fuel Injection Workshop Manual Bosch L-Jetronic Fuel Injection AFM Adjustment & Tuning - Part 1 Using a Heathkit Gas Meter to adjust the AFM on my Opel Kadett NOTE: 1) I am NOT adjusting a stock AFM. In petrol engine, the petrol is ignited. bosch mono 166. I use a long 3 mm Allen key with a T-shaped. The Bosch KE-Jetronic fuel-injection system is fitted to Escort RS Turbo models and is a further development of the K-Jetronic system. This little goody is a common culprit in K-jet or CIS problems, along with pumps, one-way valves, accumulators and fuel distributors. Use a long hex key, or the special mixture adjustment tool to turn the screw. For full throttle, a richer fuel mixture is required to provide maximum power and avoid lean running of the engine. Shelve those carburetor habits for a moment, friend. com, but are. (DON'T be tempted to rev the engine with the allen key engaged in the adjuster, let the adjuster spring up first. NEWTON MC, BSc, ACGI, AMInstCE, MIMechE Late Assistant Professor, Mechanical and Electrical Engineering Department, The Royal Military College of Science W. This basic system is supplemented by an electronic control unit (ECU) in order to increase flexibility and to enable further functions. The 914 entry-level was replaced by a 1800 cc version which could be equipped either with a L-Jetronic Bosch fuel injection system for the American Market or a two-barrel Weber carburetor for Europe. Page 2 of 2 First 1 2. CIS Fuel Injection Components Also called K-jetronic this fuel injection system was used on six cylinder Porsche® after MFI, 1973. Before ECUs, air-fuel mixture, ignition timing, and idle speed were mechanically. KE-Jetronic kick-down K-Jetronic lama del paraurti bumper blade lampeggiamento lampeggiare lampeggiatore lampeggiatore di emergenza lampeggio ground contact area, footprint lato guida lato passeggero passenger side, passenger's side lavacristallo oblique crash test martinetto jack ammaccare poggiatesta di sicurezza pole test pompa per. Factory specification for base CO is a duty cycle of 54%-65% translated to a dwell reading of 49-59 degrees. The system consists of the mixture control unit (air-flow sensor and fuel distributor), control pressure regulator, auxiliary air valve, cold start valve, thermo-time switch, injector nozzles, fuel pump, filter, oxygen sensor, electronic control unit, frequency valve, and catalytic converter. 159 Gasoline Fuel-Injection System KE-Jetronic 1 987 722 101. This is the only manual that fully explains aspects of the most widely installed Bosch systems, including specific technical information on the newest KE-Motronic and LH-Motronic systems that is not available from any other source. Replace the mixture control unit lower and upper housings together with an entire new unit. He also gives you high performance tuning secrets that really work for street and racing applications and tells you why some tricks like fooling the computer don t. KE-JETRONIC A mechanical hydraulic injection system provides the basis for the KE-Jetronic. On CIS-lambda, the frequency valve works in conjunction with the oxygen sensor and K-Jetronic control unit in an effort to produce K-Jetronic's ideal 14. ) must be within. In 1986, KE-Jet came along. It was a very clever system, which could compensate for variables like engine temperature and air density without the use of electronics. 0L version of the M120 V12 engine producing up to 600 horsepower initially and around 630 ponies later on. Then start the engine, and watch the system adjust the > mixture at the EHA. ("KE Jetronic") running in emergency operation. In my opinion, there are several approaches, which offer quite significant improvement. K and KE Jetronic fuel injection. This screw alters. This item will be shipped in special packaging to protect from any transportation damage. di pushbutton ac control unit yang didasboard itu sejalur dengan rov,icv,eha,vakum dan akhirnya jetronic,,btw apakah ac anda sudah rubahan ke model jepang? Originally Posted by blueblack300E Salam kenal om. With the K-Jetronic, the preparation is performed by the mixture control unit which consists of a fuel distributor and an airflow sensor. This was the same generation as the 1980, but a slightly more advanced car. Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic (CIS-E) fuel injection, such as is used on the 1988-91 560 series motors. 粗平布:coarse sheeting 14. Booktopia has Bosch Fuel Injection and Engine Management, Technical (including tuning & modifying) by Charles Probst. The K-Jetronic is a mechanical system in which the fuel is continuously metered in accordance with the amount of air drawn in by the engine. Factory specification for base CO is a duty cycle of 54%-65% translated to a dwell reading of 49-59 degrees. 6-liter eight-cylinder unit, which was developed by lengthening the stroke of the 5. Reviewed in the United Kingdom on September 12, 2017. Buy a discounted Paperback of Bosch Fuel Injection and Engine Management online from Australia's leading online bookstore. The US-spec 560SEC M117 uses a Bosch 3-wire O2 sensor. Not that the latter factor makes much difference, seemingly apart from the Aussie version not including a cold air input temperature sensor. It was a very clever system, which could compensate for variables like engine temperature and air density without the use of electronics. 00 miles on it. Then start the engine, and watch the system adjust the > mixture at the EHA. Plus after every small adjustment angle (about 15°) I check the duty cycle at 2. Anticlockwise is weaker mixture (corresponding to a lower pin3 voltage and a higher duty cycle) - fix this in your mind as you adjust! Each adjustment will need 10 secs or so to stabilize before taking the reading. ska lrkqfha mQ¾K oykhla isÿlsßug wjiah bkaOk jdhq ñY%Kh ieliSuhs¡. My sense is that the spark is insufficient and/or incorrectly timed. Running rich won't be good for it, though. - the idle-mixture adjusting screw ca be adjusted; thus, it can be shown how the control plunger is lifted. HPBooks are published by The Berkley Publishing Group A division of Penguin Putnam Inc. There should be a gap of 0. Hi I have an 1989 230TE 8 valve, with Bosch K Jetronic, or maybe its KE, I cant set the idle or CO, to give a smooth idle, I have a CO meter and tacho, I found the mixture control, and what I figure is the idle air adjustment on the motorised idle speed air valve (a small castelated knob ?)nested between tubes 3 & 4 of the manifold. Last edited by kwak; 12-20-2016 at 11:47 PM. (CIS-E) fuel injection, such as is used on the. What is also obvious is the increase in current in the EHA richening the mixture and that point has been moved by adjusting the EHA. LMM Poti Mercedes Potentiometer KE-Jetronic W201 W124 W126 M102 M103 3437224035. 5% Positive Feedback CIS-Jetronic has everything you need for professionally repairing and recovering Bosch K-Jetronic (1973-1994), K-Jetronic (Lambda), and KE-Jetronic (1985-1993) Fuel Distributors. refer to the fault diagnosis flow chart on pages B3-l3 and 83-15. 8i XR4x4s, whereas the Bosch KE system is fitted to all Escort RS Turbos. I guess the E stands for "electronic. The system consists of the mixture control unit (air-flow sensor and fuel distributor), control pressure regulator, auxiliary air valve, cold start valve, thermo-time switch, injector nozzles, fuel pump, filter, oxygen sensor, electronic control unit, frequency valve, and catalytic converter. The KE Jetronic system varied from the earlier, all mechanical system by the introduction of a more modern engine management "computer", which controlled idle speed, fuel rate, and air/fuel mixture. 159 Gasoline Fuel-Injection System KE-Jetronic 1 987 722 101. Turning the screw clockwise enriches the mixture and vice-versa. any suggestions or help would be appreciated. In addition, the intake manifold is installed extra starting the nozzle is controlled by the signal of the thermal relay. Description. This article combines several AROnline stories, making this the Internet's most detailed description of this fine power unit. The new unit will have to be split (top and bottom sections separate at the flange). Bosch K-Jet Mixture Setting posted on August 31, 2009 by Larry Fletcher | Comments Off on Bosch K-Jet Mixture Setting After assembly of the fuel system, run the fuel pump and depress the air flow sensor plate for a couple of seconds to bleed air out of the fuel distributor. The screw is located in the tiny little tube immediately behind the fuel distributor and should be adjusted to 1. KE Jetronic фильтры дозатора Цикл видео о ремонте и диагностике системы. Bosch K-Jetronic Fuel Injection System - Idiots Guide – 27-10-2009, 11:34 PM Hello everyone, For those of you with older cars, I have just finished my dumbed down idiots guide to the workings of the famed Bosch K-Jetronic mechanical fuel injection system. LMM-Poti, Air Flow Sensor Potentiometer, Adjusting Potentiometer, Idle mixture. You will find specific information on the newest KE-Motronic and LH-Motronic systems that is not available from any other source. Hundreds of helpful illustrations and tips will make the job easier. Covers basics of emissions, EGR, and catalytic converters. Disconnect the Return line from the Distributor Head (6A), and connect a hose from the Distributor Head outlet to the bottom of the Auxiliary Fuel Tank (2A). You asked what the differences between an '85 Golf and Golf-GTI were? '85 Golf=~85Hp 8. caterus Karting. Repairing the CIS Jetronic Alloy adjustable Bosch Fuel distributor In General: Mercedes-Benz and Bosch doesn't support the repair of fuel distributors. You need a co meter to make this adjustment. The full story of the K-Series engine – from the design and development, though the faults that destroyed its reputation, to the fixes that have subsequently sorted it. (CIS-E) fuel injection, such as is used on the. Bosch K Jetronic Fuel Distributor - Quick Look Whilst I've got it out of the car I thought I'd give you a quick look at a fuel distributor from a Bosch KE Jetronic or CIS How to adjust carburetor idle mixture screws *UPDATED* I decided to make a newer video that hopefully explains WHY you adjust carb idle mixture as well as shows how. Kirk McGehee) 2. The main difference between the two types is that on the KE-Jetronic system all mixture corrections are controlled electronically by an electromagnetic pressure actuator incorporated in the fuel distributor. Automotive diagnostic fault codes techbook Charles White. ) must be within. KE Jetronic. Warm Up Regulator (WUR) Volvo 240 Control Pressure Regulator Turns out that the air fuel mixture screw was adjusted for the plugged up regulator so when I unplugged it the car ran way too rich. Opening times determine the amount of fuel injected. ("KE Jetronic") running in emergency operation. Finally, the KE-Jetronic was also built with integrated ignition and known as Motronic. The other hope is that mid 70's US market K jetronic 911 Porsches did NOT use the vacuum line in the WUR to richen up the mixture but a rod type/cam actuator from the throttle(s). 5 on idle,you may find. To adjust the fuel mixture a small 3 mm Allen screw is located within the airflow sensor; this alters the relationship between the sensor arm and the control plunger. Manufactured in the USA using the latest cutting edge technology. 3-1668 - Removing and installing mixture control unit with air guide housing 07. The utility of a lever arm and a spring return force would allow a simple cable drive to a motor. With the K-Jetronic, the preparation is performed by the mixture control unit which consists of a fuel distributor and an airflow sensor. The potentiometer for the air flow meter is a common failure on KE-Jetronic systems, especially at the idle position. Not that the latter factor makes much difference, seemingly apart from the Aussie version not including a cold air input temperature sensor. Learn vocabulary, terms, and more with flashcards, games, and other study tools. K and KE Jetronic fuel injection. adaptation of European Specification Automobiles equipped with the Bosch L-Jetronic electronic fuel injection system, to meet US EPA regulations by adding closed-loop Air/Fuel ratio control. so it runs great. The system consists of the mixture control unit (air-flow sensor and fuel distributor), control pressure regulator, auxiliary air valve, cold start valve, thermo-time switch, injector nozzles, fuel pump, filter, oxygen sensor, electronic control unit, frequency valve, and catalytic converter. Both K and KE use a mechanical fuel distributor linked to a air flow meter which is also mechanical. The interior is very nice. 35 Insert the Allen key into the mixture adjustment orifice and push down to engage the adjustment screw. In 1986, KE-Jet came along. The Power Module is an electronic device developed for '85> VW's with KE-Jetronic/Digifant FI to deliver the correct amount of fuel when needed. A fuel injection system is designed and calibrated specifically for the type(s) of fuel it will handle. I hope the above (and your post) clears it up and prevents anyone from going down a wrong path. 5 Mono-Jetronic schematic diagram 1 Fuel lank, 2 Electric fuel pump, 3 Fuel filter, 4 Fuel-pressure regulator, 5 Solenoid-operated fuel injector, 6 Air-temperature sensor, 7 ECU, 8 Throttle-valve actuator, 9 Throttle-valve potentiometer, 10 Canister-purge valve, 77 Carbon canister, 12 Lambda oxygen sensor, 13 Engine-temperature sensor, 14 Ignition distributor, 15 Battery, 16 Ignition-start. KE-Jetronic - adjusting and assembling on Audi 80. KE3 JETRONIC PDF - Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic. The KE Jetronic system varied from the earlier, all mechanical system by the introduction of a more modern engine management "computer", which controlled idle speed, fuel rate, and air/fuel mixture. 混并织物:mixture 8. Sign in with Twitter. The CO levels have just been. Question: “Is fuel injection possible without the vehicle having a computer to program the injectors (ie purely mechanical)?” Yes. what really ke jetronic is just in case somebody doesnt know it so far cosworth dfv is a lucas fuel body repair manuals 122 mb english 53 w126 1981 1992 general mercedes benz air fuel mixture m103 ke jetronic jump to latest follow 1 1 of 1 posts rey445588 registered 280ge 300ge 300d joined aug 18. Remove this screw cover, being careful not to strip it. Apart from minor alterations the basic principles of the hydraulics and mechanics used on the K-Jetronic system are unchanged on the KE-Jetronic system. Re: Having trouble with Bosch K-Jetronic CIS #550862 04/26/04 08:10 PM. 5 Mono-Jetronic schematic diagram 1 Fuel lank, 2 Electric fuel pump, 3 Fuel filter, 4 Fuel-pressure regulator, 5 Solenoid-operated fuel injector, 6 Air-temperature sensor, 7 ECU, 8 Throttle-valve actuator, 9 Throttle-valve potentiometer, 10 Canister-purge valve, 77 Carbon canister, 12 Lambda oxygen sensor, 13 Engine-temperature sensor, 14 Ignition distributor, 15 Battery, 16 Ignition-start. I produced the original article on this subject in 1988 for the then forthcoming Jaguar Quarterly magazine, known these days as Jaguar World, in which it was published during 1989. Mercedes W124: KE-Jetronic Euphoria This is after eha adjustment, on a hot as hell. (CIS-E) fuel injection, such as is used on the. With a dwell meter adjust the CO to 45 degrees. 1) Have you checked to see if the thermo-time switch for it being shorted. Mercedes - A 190 - Brochure - 2016 - 2016. gas tank cleaning. The problem with using a MAP is that without any vacuum the system goes full "rich" which occurs at startup. Why measure? K-jet mechanical fuel injection depends on continuous regulation and variation of fuel pressure delivered to the injectors. - A highly ignitable mixture forms around the spark plugs at the centre of the combustion chamber. It was a very clever system, which could compensate for variables like engine temperature and air density without the use of electronics. Bosch L-Jetronic L Jetronic RX-7 Brought to you by the team at VintageRotaries. 细平布:fine plain 16. Born near Ulm, Germany in 1861, he grew up wanting to become a botanist or zoologist, but "gaps in his knowledge," as his teachers put it, kept him out of the university, and he was apprenticed to a precision mechanic at 18. Fuel injection is a system for admitting fuel into an internal combustion engine. The Motor Vehicle The MotorVehicle Thirteenth Edition T. Turn the ignition switch OFF. To Fuel Tank L-jetronic. 粘纤平布:viscose plain cloth 17. K and KE Jetronic fuel injection. Engine is running to slow and unstable at idle. (Halfords have the Gunsons ones for £25 at the moment). Mercedes 190 mixture adjustment. It was a very clever system, which could compensate for variables like engine temperature and air density without the use of electronics. (Above paragraph has been sent in by Mr. Really this is the only thing that can go wrong. We use cookies to give you the best possible experience on our website. Anticlockwise is weaker mixture (corresponding to a lower pin3 voltage and a higher duty cycle) - fix this in your mind as you adjust! Each adjustment will need 10 secs or so to stabilize before taking the reading. Mechanlcalluel-lnjecllon systems The K-Jetronic is today the most wide· s!,read mechanical fuel-injection system. Fuel Tank LH jetronic. This screw alters. Mercedes 190 pierburg 175cd carb Hi i need to locate the mixture screw on my 1989 190 is it below the carb, there is some sort of solonoid there with wires attatched do i need to disconnect wires undo the 22mm nut and screw the solonoid in or out it has just failed the emmissions giving a reading of 7. 33 Unscrew the tamperproof plug from the mixture adjustment orifice on top of the fuel distributor (see illustration). KE3 JETRONIC PDF - Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic. The Fuel Distributor is the heart of the K/KE-Jetronic fuel injection system, its job is to accurately meter the correct amount of fuel to each cylinder through the fuel injectors. Factory specification for base CO is a duty cycle of 54%-65% translated to a dwell reading of 49-59 degrees. (DON'T be tempted to rev the engine with the allen key engaged in the adjuster, let the adjuster spring up first. ) for parts / troubleshooting by a mechanic (on the '78), and it was solved with less than $100 by myself when he couldn't figure it out. Later KE-Jetronic systems used an electronic actuator that could control the pressure supplied to the fuel distributor. Fuel filter Engine RPM ECU. 装饰用织物:furnishing fabric 11. Really this whole thing screams out for a O2 sensor in the collector, driving a feedback system to adjust the position of the pin thereby keeping the mixture in the sweet spot. 0:1 Compression ratio, Knock sensing ignition system, Bosch KE-Jetronic (3 wire O2 sensor) fuel injection. K-Jetronic Fuel Injection Manual 4 Idle-mixture adjusting screw, 5 Pivot, 6 Lever, 7 Leaf spring. Jetronic RX-7 Brought to you by the team at VintageRotariesorg Created Date: 4/21/2008 4:30:55 AM Download Vw L Jetronic Fuel Injection Workshop Manual Bosch L-Jetronic Fuel Injection AFM Adjustment & Tuning - Part 1 Using a Heathkit Gas Meter to adjust the AFM on my Opel Kadett NOTE: 1) I am NOT adjusting a stock AFM. I hope the above (and your post) clears it up and prevents anyone from going down a wrong path. Ke Jetronic Mercedes. The effect from the revised fuels specifications discussed in an earlier section is a reduction in 50,000 mile HC and CO emissions by factors of 0. It was a very clever system, which could compensate for variables like engine temperature and air density without the use of electronics. automobile Petrol engine tune up sinhala 1. Or sign in with one of these services. In modern automotive applications, fuel metering is one of several functions performed by an "engine. A KE has a throttle switch so when its at idle the computer can control the idle speed using the Idle stabilizer valve. Hi I have an 1989 230TE 8 valve, with Bosch K Jetronic, or maybe its KE, I cant set the idle or CO, to give a smooth idle, I have a CO meter and tacho, I found the mixture control, and what I figure is the idle air adjustment on the motorised idle speed air valve (a small castelated knob ?)nested between tubes 3 & 4 of the manifold. Bosch KE3-Jetronic Mixture Adjustment. When I adjust a Bosch-KE-Jetronic, I always make notes about the angle and the direction of my adjustments. Plus after every small adjustment angle (about 15°) I check the duty cycle at 2. Before trouble-shooting, testing or adjusting the K-Jetronic fuel injection system, the ignition sys-tem and the mechanical system of the engine (compression, valve timing, etc. Hydraulic actuator. The CO levels have just been. This thread is intended for those that want to find problem first, or who don't want, but don't have parts available to just change them until problem disappears :D So, let's begin. KE-jetronic diagnostic & adjustment Ok, fellas, I finally made myself to do this - I was thinking about it long time ago. Adjusting the basic settings on KE3 Jetronic requires a CO meter, really, but you can get things set without one. Development. Fuel Pump Relay. Line (or system) pressure readings will help define a problem with the fuel delivery system such as the pumps and filter. Up for sale is this exceptional 1987 Mercedes Benz 560SL. Bosch L-Jetronic L Jetronic RX-7 Brought to you by the team at VintageRotaries. If you decide to repair your fuel distributor you do so at your own risk. This type of mechanical fuel injection pump was used by Mercedes-Benz in the 1950s. mercedes benz model 124 m103 ke jetronic Media Publishing eBook, ePub, Kindle PDF View ID 040f31abe Dec 22, 2019 By Danielle Steel including the first mercedes suggests that special tools are required to adjust the mixture on the bosch ke3 jetronic cis e fuel injection such as is used on the 1988 91 560 series motors the dedicated shade. 0 out of 5 stars Bought it to get a better understanding of the KE Jetronic on my 190E. KE Jetronic фильтры дозатора Цикл видео о ремонте и диагностике системы. The electronic system worked good only if all mechanical adjustments were perfect. W126 500 SEC shutting off when putting in D/R gear. This leads toa higher torque. Use a long hex key, or the special mixture adjustment tool to turn the screw. A bit of background on the EHA's function: it is an electronically controlled servo (controlled from the CIS-E main computer) that uses a variable current to make the last, minute adjustments to the fuel flowing into the fuel distributor and then into the. Using the K-jet Fuel Pressure Test Kit Notes from experience with 1979 Volvo 244DL and a 1983 Volvo 244Ti Turbo. Wish I was retired and then I would do it. and is a further development of the K-Jetronic system. This basic system is supplemented by an electronic control unit (ECU) in order to increase flexibility and to enable further functions. 7:1 air-fuel mixture ratio for maximum fuel economy and emissions control. There is a good series of videos by the makers of the CIS Jetronic repair kit. HAKO Overheadmodels - Section 2. Its major disadvantage is that a single carburettor supplying a four- cylinder engine cannot give each cylinder precisely the same fuel/air mixture because some of the cylinders are further away from the carburettor than others. Turning the screw clockwise enriches the mixture and. The Old Merc Guy, Port Elizabeth, Eastern Cape. Hi, Try this way, hook up DVOM on connector of O2 wiring (green) and DVOM shows the swinging voltage 0. The KE-Jetronic does not need one. Thisis necessary due to the added complexity and increased power output of the engine, The system provides a higher degree of mixture strength control than that provided by the K-Jetronic system. The basic hydraulic and mechanical principles utilised in the now familiar Bosch K Jetronic have by and large been adopted in the KE JetronicThe main difference between the K & KE Jetronic is that in the KE Jetronic all running/staring enrichments are controlled electronically. Ke jetronic mixture adjustment Ke jetronic mixture adjustment. 00 miles ago. Deciphering of Audi engine fault codes Audi cars are equipped mainly with Bosch control systems, including: Bosch Motronic versions 2. The mixture preparation system meters fuel to correspond with the amount of intake air. Its major disadvantage is that a single carburettor supplying a four- cylinder engine cannot give each cylinder precisely the same fuel/air mixture because some of the cylinders are further away from the carburettor than others. This design was later adapted for use with early LH (L-Jetronic with Hotwire Flowmeter), Motronic, and KE-Jetronic systems as well. This is the only manual that fully explains aspects of the most widely installed Bosch systems, including specific technical information on the newest KE-Motronic and LH-Motronic systems that is not available from any other source. The KE-Jetronic disappeared from vehicles too early to still participate in the blessings of modern times. This little goody is a common culprit in K-jet or CIS problems, along with pumps, one-way valves, accumulators and fuel distributors. How to Understand, Service and Modify The authoritative manual on Bosch Fuel injection. Compensation flap and damping chamber act like shock absorber allowing door to settle quickly and to make it insensitive to vacuum pulsations from cylinders1 Compensation Valve 2 Damping Chamber 3 Air Bypass (idle mixture) 4 Air Sensor Flap 5 Idle mixture adjusting screw. In petrol engine, the petrol is ignited. gas tank cleaning. Basic adjustment of throttle valve =>page 25-84 Vacuum connection (engine code EG) =>page 25-101 Vacuum connection, (engine code DX 11. H opefully you all read last month’s feature on Bosch K and KE and are ready for part 2. Socially inappropriate motoring information, available in 1qt increments. Even D-Jetronic will fail with massive false air. automobile Petrol engine tune up sinhala 1. End edit So! While at idle and you are adjusting the idle mixture screw, you are ONLY affecting the AFR at. Air flow meter. EFIE stands for Electronic Fuel Injection Enhancer. 261 Fuel injection valves. KE-Jetronic fuel injection OH-Model KE-Jetronic fuel injection-rebound plate, diaphragms, sensor plate, control plunger and sensor-plate potentiometer can be actuated -the idle-mixture adjusting screw can be adjusted. 6-liter eight-cylinder unit, which was developed by lengthening the stroke of the 5. The problem with using a MAP is that without any vacuum the system goes full "rich" which occurs at startup. Check wiring for break or short. The K-Jetronic is a mechanical system in which the fuel is continuously metered in accordance with the amount of air drawn in by the engine. Title: VW L-Jetronic Fuel Injection Workshop Manual Author: Robert Bosch Keywords: VW L-Jetronic Fuel Injection Workshop Manual Created Date: 1/23/2006 12:00:00 AM. If you were really creative, you could use that valve to bypass the CPR and drive it with some 555 circuit or something, with a variable pulsewidth signal to bypass a slight amount of fuel around the regulator, which. 00) on the top end about 12. Mechanlcalluel-lnjecllon systems The K-Jetronic is today the most wide· s!,read mechanical fuel-injection system. Loading Autoplay When autoplay is enabled, Mercedes 190E 1. Some models use additional components, such as a. Technical Instruction. 4B1 Chapter 4 Part B: Bosch K-Jetronic and KE-Jetronic. The final incarnation producing 237 hp power and 402 Nm of torque at 3,200 rpm. Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic (CIS-E) fuel injection, such as is used on the 1988-91 560 series motors. For K- and KE-Jetronic: - the valve needle is opened by overpressure (3. (Above paragraph has been sent in by Mr. End edit So! While at idle and you are adjusting the idle mixture screw, you are ONLY affecting the AFR at. A KE has a throttle switch so when its at idle the computer can control the idle speed using the Idle stabilizer valve. Basically, it replaced the warm-up regulator with a computer that controls the mixture with through an actuator mounted on the fuel distributor. For such a slight adjustment the engine is peppier and to me somewhat quieter and smoother on acceleration. Up for sale is this exceptional 1987 Mercedes Benz 560SL. KE-Jetronic - adjusting and assembling on Audi 80. Remove this screw cover, being careful not to strip it. This little goody is a common culprit in K-jet or CIS problems, along with pumps, one-way valves, accumulators and fuel distributors. Just plug & drive!. Bosch K Jetronic: 0 580 254 984: 911. The screw is located in the tiny little tube immediately behind the fuel distributor and should be adjusted to 1. For most Mechanical Fuel Injected Mercedes Gas Engines 1959 to 1972. The mixture preparation system meters fuel to correspond with the amount of intake air. The engine has a mechanical fuel injection, which is very difficult to repair and adjust (KE-Jetronic). Rebuilding the Fuel Distributor / metering unit on a 1992 Mercedes Benz 200e m102 engine. GREG'S BOSCH L-JETRONIC FUEL INJECTION IDLE ADJUSTMENT, DIAGNOSTIC AND TUNE UP PAGE, Latest revision Sept. KE-Jetronic, KE3-Jetronic, and KE-Motronic (KE systems) 5:6 KE Motronic 5:33 KE-Motronic adaptive control 5:35 KE sensor-plate positions 5:9 KE3-Jetronic 5:33 KiloPascal (kPa) conversion table 2:8 definition 2:8 Knock control Motronic systems 3:38 Knock sensor 7:17 Knock sensor control, checking KE3-Jetronic and KE-Motronic 6:29 Motronic 4:24. Rebuilding the K Jetronic Alloy adjustable Fuel distributor When do you have to rebuild your K Jetronic fuel distributor When do you rebuild the K Jetronic fuel distributor If the fuel distributor has an unequal flow from each port and can't be adjusted. Hi Peter, only adjustment you can make if the ancillary components are ok is to the mixture adjustment screw, as mentioned in the top of the air filter, using a 3mm allen key. KE3 JETRONIC PDF - Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic. Bosch K-jet Lambda Controllers. Thus, it can be shown how the control plunger is lifted. It was simply a system of air and fuel valves, fuel distribution components, temperature sensors and switches that simply allowed tighter fuel and emissions control than carburetors or mechanical pump injection. As long as the engine is working in closed-loop mode the duty cycle should fluctuate around 50% (considering that the mixture is adjusted correctly) In this particular example the duty cycle periodically goes down (along with RPM), then returns back on 50 % and goes down again. 002 inch all the way around the plate. So you've leaned it via the 3mm adjustment. This type of mechanical fuel injection pump was used by Mercedes-Benz in the 1950s. I hope the above (and your post) clears it up and prevents anyone from going down a wrong path. At first, the petrol is allowed to mix with air. K and KE Jetronic fuel injection. The system consists of the mixture control unit (air-flow sensor and fuel distributor), control pressure regulator, auxiliary air valve, cold start valve, thermo-time switch, injector nozzles, fuel pump, filter, oxygen sensor, electronic control unit, frequency valve, and catalytic converter. ) for parts / troubleshooting by a mechanic (on the '78), and it was solved with less than $100 by myself when he couldn't figure it out. Anticlockwise is weaker mixture (corresponding to a lower pin3 voltage and a higher duty cycle) - fix this in your mind as you adjust! Each adjustment will need 10 secs or so to stabilize before taking the reading. Bosch K-Jetronic Fuel Injection System AKA Continuous Injection System Bosch had developed early fuel injection systems but they were mostly confined to luxury cars due to the costs of putting a computer in a car at the time, as a cheaper alternative they developed K-Jetronic to capitalize on stricter emission regulations in the 70s/80s. 5 out of 5 stars 4 product ratings 4 product ratings - Diaphragm for a 8 cylinder Alloy Bosch KE-Jetronic Fuel Distributor. Refitting 6 Refitting is a reversal of removal. This adjustment does not provide additional fuel to the engine, only air. KE-jetronic. Troubleshoot vehicle tuning in minutes with the SAFR (Standalone Air Fuel Ratio) diagnostic tool. 90 )=>page 25-103 Activated charcoal filter system, engine code JH: => Repair group 20. It was a very clever system, which could compensate for variables like engine temperature and air density without the use of electronics. The 912E throttle valve switch does not provide an input to the electronic control unit during the idle load condition as previously found in the 914 1. - A highly ignitable mixture forms around the spark plugs at the centre of the combustion chamber. Kirk McGehee) 2. Timing advance and fuel mixture adjustment information: K-Jetronic (CIS) Idle screw 9 K: Test points 9 K: Distributor 8 K: Cute plug 7 K: Mixture 6 K: Tools 21 K: Timing advance and fuel mixture adjustment information: KE-Jetronic (CIS-E) ISV 41 K: CPA 29 K: Distributor 42 K: Adapter 28 K: Timing belt, water pump, radiator, cam cover gasket. As for the ol' Q-Jet, if I had to mess with one today, it wouldn't be so bad, but in my youth when messing with jets, spark advance curves, the *perfect* valve adjustment seemed like the the 2nd most. 4th 2003 includes changes to the introduction, Step one, testing procedures for the Altitude Compensating Device on Step 10 and the creation of Step 12 which involves advanced Air Flow Meter instructions for adjustments for Max power and best emissions. the vehicle does has 192. 8 testing ke-jetronic air flow sensor - Duration: 2:01. - Carry out repair and adjustment work with suitable test equipment including final inspection for suspension. The system could control the fuel mixture by changing the pressure supplied to the fuel distributor. Apart from minor alterations the basic principles of the hydraulics and mechanics used on the K-Jetronic system are unchanged on the KE-Jetronic system. K Jetronic Diagram. IMi K-Jetronic canlookdeceptivelysimple. KE3 JETRONIC PDF - Mercedes suggests that special tools are required to adjust the mixture on the Bosch KE3-Jetronic. Also briefly covers K-Jetronic, KE-Jetronic, L-Jetronic, LH-Jetronic, Mono-Jetronic, and Motronic systems. Turning the screw will either raise or lower the control piston for a given idle speed position of the air sensor plate, this wilt either richen or weaken the idle mixture. Each of the primary nozzles is controlled individually e-management unit. Hi I have an 1989 230TE 8 valve, with Bosch K Jetronic, or maybe its KE, I cant set the idle or CO, to give a smooth idle, I have a CO meter and tacho, I found the mixture control, and what I figure is the idle air adjustment on the motorised idle speed air valve (a small castelated knob ?)nested between tubes 3 & 4 of the manifold. Lambda-Sond = an independent electronic system using an O² sensor to adjust fuel mixture on K-jet fuel systems; also Swedish for oxygen sensor lag = low, or the time delay from depressing throttle to full boost on a turbo. Know Your Parts supports auto technicians with tips on car troubleshooting, auto diagnosis, car parts information and general repair advice. Two points I would like to raise here - if the car has not been "tampered" with, these setting are probably still correct and should be left alone - if the car is not running right, look elsewhere for your problems first. Hi, Try this way, hook up DVOM on connector of O2 wiring (green) and DVOM shows the swinging voltage 0. Injection Bosch KE-Jetronic 1989 Ferrari Testarossa 469/89 PDF (it/fr/uk/de) (Seal for air/fuel mixture adjusting screw on fuel injected U. Fuel distributors fail because of contamination caused by an unclean fuel supply or the deterioration of the rubber seals and other components inside the unit due to age and the constant exposure to the high. vs050/04 mixture adjustment - bosch k For Bosch K and KE, Jetronic fuel injection systems as fitted to Audi, BMW, Ford, Mercedes, Porsche, Renault, Saab, Volkswagen and Volvo models. Ke jetronic mixture adjustment Ke jetronic mixture adjustment. Having recently sorted out a problem with mine, and hopefully understanding its. Id like to run stock fuel pressure, and keep the EFI looking stock (except that I plan on running a non smog manifold). Clockwise makes the fuel mixture rich. The K-Jetronic system was installed as Original Equipment in series production vehicles in the years 1973 through 1995. 38,50 EUR + 4,80 EUR livraison. BTU TECHNICAL PUBLICATION January 9, 1999 BLINK FAULT CODE DIAGNOSTIC REFERENCE for VOLKSWAGEN & AUDI (USA only) Volkswagen and Audi models, beginning with production year 1988 thru 1995, utilize a system of blink codes for injection, ignition and emissions fault diagnosis. I've learned this from both a 1978 VW Scirocco (K-Jetronic) and a 1981 VW Scirocco (KE-Jetronic O2 sensor equipped). 4B1 Chapter 4 Part B: Bosch K-Jetronic and KE-Jetronic. 交织织物:mixed fabric 9. It was a very clever system, which could compensate for variables like engine temperature and air density without the use of electronics. 16 is arranged to include steps 9011 and 9013. All GL, GT, GLE, Turbo and GLT of this era use Bosch K-Jetronic fuel injection and (normally) Bosch electronic ignition. Actually I did make a very slight adjustment to the idle mixture screw this morning using a 3mm allen wrench, turned the screw about 1/16th rev clockwise to enrich and the results were fairly significant. 8 testing ke-jetronic air flow sensor - Duration: 2:01. A GX engine is a KE Jet engine. The main input to the control unit is the oxygen sensor. The SAFR is a tool for all motorsport users. This screw alters. Mercedes Mercedes A 190 Mercedes A 190 2001 Owners Manual Polish. Bosch K-Jetronic Fuel Injection Part 1. 340 series, 10. The main tuning solution behind the DIY electronics is for EFI fuel control. 5% Positive Feedback CIS-Jetronic has everything you need for professionally repairing and recovering Bosch K-Jetronic (1973-1994), K-Jetronic (Lambda), and KE-Jetronic (1985-1993) Fuel Distributors. CIS Fuel Injection Operation by Bob Tucker. I've learned this from both a 1978 VW Scirocco (K-Jetronic) and a 1981 VW Scirocco (KE-Jetronic O2 sensor equipped). A KE has a throttle switch so when its at idle the computer can control the idle speed using the Idle stabilizer valve. When it is just right, you can. so be sure to let your browser upload all the pictures I have enlarged. k-jetronic adjusting warm-up valve, system & control pressure on golf mk2 gti Adjusting the system pressure on the fuel metering device, adjusting the control pressure making a hole on the warm up valve and 1987 VW Cabriolet Idle Mixture Setting We adjust the idle mixture in an 87 VW. Last edited by kwak; 12-20-2016 at 11:47 PM. Or sign in with one of these services. View and Download AUTOTECH 10. It's an 88 300ce. LMM-Poti, Air Flow Sensor Potentiometer, Adjusting Potentiometer, Idle mixture. Just LIKE and. It was a very clever system, which could compensate for variables like engine temperature and air density without the use of electronics. Hi everyone. When I adjust a Bosch-KE-Jetronic, I always make notes about the angle and the direction of my adjustments. You really need to get this looked at professionally, I would say. com Cis-Jetronic 346 followers cis-jetronic ( 2692 cis-jetronic's feedback score is 2692 ) 99. Can someone please tell me how to adjust the mixture on a Sierra 1. " In KE-Jet, the oxygen sensor is one of the computer's inputs. (NB also good description of R&R here: SG-Motorsports Air Flow Meter Potentiometer Replacement) 2. '07 suzuki forenza with codes: P1138, P0140, P0037 ----- P1138=manufacturer controlled fuel and air metering P0140=O2 sensor circuit no. Either you have the KE-jetronic fitted like the Americans had or its just that someone's robbed another marque. CIS Fuel Injection. If this current is not in the correct range, it is adjusted by messing around in the little hole between the fuel distributor and the black rubber intake boot with the 3mm hex tool. Mercedes 190 checking, adjusting to factory specification. Bought it to get a better understanding of the KE Jetronic on my 190E. This means that the mixture burns irregularly and intense pressure fluctuations occur with high combustion-pressure peaks. HAKO Overheadmodels - Section 2. W126 500 SEC shutting off when putting in D/R gear. Adjusting for the revised fuel and the improved catalysts yields 50,000 mile conversion efficiencies for HC and CO respectively of 78 and 80 percent. Published by: Robert Bosch GmbH, 2000Postfach 3002 20,D-70442 Stuttgart. 767 respectively. Start studying Fahmy 2017 - = DAY 55 - = german words in Engineering 1. Regards Alex - Answered by a verified UK Auto Mechanic. 500 rpm and at idle 2 or 3 times. This thread is intended for those that want to find problem first, or who don't want, but don't have parts available to just change them until problem disappears :D So, let's begin. There is a little set screw in there that adjusts the height of the air flow sensor plate arm, changing the relative mixture via the frequency valve. different fuel distributors and different air metering plates/venturis by manufacturer seem to vary surprisingly little, with the exception of how advanced some of the later vw/audi/mercedes stuff got. Bosch K-Jetronic Fuel Injection System - Idiots Guide – 27-10-2009, 11:34 PM Hello everyone, For those of you with older cars, I have just finished my dumbed down idiots guide to the workings of the famed Bosch K-Jetronic mechanical fuel injection system. The fuel system should be able to adjust the mixture both ways - rich and lean - off of the base-line setting. 3-1668 - Removing and installing mixture control unit with air guide housing 07. Bosch L-Jetronic L Jetronic RX-7 Brought to you by the team at VintageRotaries. This system is used on some Audis from 1987, and is sometimes referred to by Audi as CIS-E 111. Basically, it replaced the warm-up regulator with a computer that controls the mixture with through an actuator mounted on the fuel distributor. 5 to 1983 and 1994 on the Turbo Porsche models. Description. The fuel mixture is ideally somewhere around 12. Can clearly see the EHA adjustment is controlling the AFR over RPM. I also disconnected the cold-start injector in case it was signaled, but this the fuel distributor to adjust system pressure using shims, and I have found. 33 Unscrew the tamperproof plug from the mixture adjustment orifice on top of the fuel distributor (see illustration).
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