Repair kejetronic system change air flow mass sensor. Fuel injection for mercedes benz eclass 19871995 w124. Rebuilding the fuel distributor metering unit on a 1992 mercedes. Introduced in 1982, it was positioned in the size category below the mercedes benz w123w124 models and marketed under variants of the mercedes benz 190 nameplate. Rebuilding the fuel distributor metering unit on a 1992 mercedes benz 200e m102 engine. It uses the same ignition controller, but comes with a much more advanced oxygen sensor computer, and sometimes a knock sensor computer as well.
It is a relatively oversquare engine with a large bore and short stroke compare to the m115 engine which was used during the same time frame. Mercedesbenz w124 reliability specs still running strong. Bosch kejetronic overview mercedesbenz forum benzworld. Acces pdf benz m102 engine benz m102 engine inside the mercedes m102 engine taking a look inside the m102 engine. Cold start injectors and valves, eha valves, fuel accumulators, fuel injectors. The fuel injection system used on all mercedesbenz gasoline engine vehicles uses a. Enginedesk contains richdata for parts and engines. When standing still, sometimes it feels like the car is rushing a bit, and as the car is an. 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. To get access to the technical data and parts information we provide the following options. Since the electric fuel pump supplies more fuel that is used by the engine, a valve in the pressure regulator opens and returns this excess fuel to the fuel tank. I am sorry that it is only mercedes benz, but it is a hell of a job to do.
The problem is that most repair shops these days are clueless as to how this system works. Ke jetronic a gasoline injection system must inject precisely the correct amount of fuel for the various operating conditions. Though mostly mechanical in nature and lacking the feedback o2 sensor to correct the airfuel mixture, it was considered sufficient in providing the control of the injection of fuel back in the days when fuel was still relatively cheap. Ke jetronic ke jetronic or cise, which means continuous injection system with electronic control is a variant on the much more basic jetronic system. Mercedes benz w124 pdf service manuals, workshop and repair manuals, wiring diagrams, parts catalogue, fault codes free download. Since this point, the k jetronic has now become particularly important with regard to. Is intended for lambda sensor and catalyst equipped cars but most of it is the same for nonlambda cars certainly the mechanical bits and general principles. The m102 engine family was a straight4 gasoline automobile engine from mercedesbenz in the 1980s. The trio of specialists helped me improve, refine, and verify my list of troubleshooting techniques for the k ke jetronic system that we have on our 190es.
The m102 engine family was a straight4 gasoline automobile engine from mercedesbenz in. Ke jetronic mercedes benz 190 e free download as pdf file. I crank the engine, which fires, but it will only run for a couple of seconds. Clutches free delivery possible on eligible purchases. Checking and repairing the bosch kejetronic fuel distributors by vitaly march 1, 2016 approximately up until 1994 mechanical fuel injection systems have been installed on certain mercedes, audi, volkswagen, ford etc. Tsz transistorove zapalovani ezl elektronicke zapalovani btdc pred horni uvrati. Read online w124 m102 engine user manual w124 m102 engine user manual w124 engine problem m102. Dec 28, 2009 i have a 1992 mercedes w124 230te with ke jetronic fuel injection. For mercedesbenz cars i have summarized all injection and ignition parts and spares in appendix a. Rebuilding the fuel distributor metering unit on a 1992. The mercedes benz w201 was the first compact executive car manufactured by german automotive manufacturer mercedes benz. Inside the mercedes m102 engine taking a look inside the m102 engine. 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.
I hope to bring to some the benefits of my experience in effecting a remedy to a faulty ke jetronic system, on a w124 mercedes 300ce, australian version. Bosch ke jetronic manual bosch ke jetronic workshop manual bosch k jetronic manual mercedes bosch kjetronic service manual bosch d jetronic fuel injection manual manual kjetronic le jetronic l jetronic k. Eclass w124 ke jetronic diagnosis ke jetronic diagnosis hello all on this forum. Inyeccion bosch kejetronic by jonathan ulloa cascante on prezi. Tsz transistorove zapalovani ezl elektronicke zapalovani btdc pred horni. Ke jetronic technical instruction mercedesbenz forum. In this case test the air flow sensor potentiometer job 07. There is also a handy pdf guide for the whole process in. For most pre1991 manufactured w124s, the fuel injection system on these engines are mostly using bosch ke jetronic. The m102 engine family was a straight4 gasoline automobile engine from mercedes benz in the 1980s and early 1990s.
The primary pressure regulator that is installed in the fuel distributor housing maintains a constant pressure in the fuel system of the k jetronic. Dec 11, 2014 flow testing a bosch cis k jetronic fuel injection system from a 1984 mercedes 380sl. Mercedesbenz w124 pdf service manuals free download. Electronic engine control free delivery possible on eligible purchases. The service is particulary useful for engine rebuilders and maintenance shops. The best documentation ive ever seen for ke jetronic, from your local bosch service centre. This is not the exact schema for the cis in a m102 engine, but it is a good. Buy mercedes benz engine control unit kejetronic, 003 545 7632. Nov 27, 2014 in 1985 mercedes benz and others switched to ke jetronic where electronics was back. I have a 1992 mercedes w124 230te with ke jetronic fuel.
The final car to use k jetronic was the 1994 porsche 911 turbo 3. These m103 engines applied mechanical fuel injection, ke jetronic. Bosch kejetronic continuous injection system mechanical fuel injection overview part 1of 6. Ke jetronic mercedes benz 190 e fuel injection engines scribd. Even that mercedes benz was one of the broadest users of d jetronic, it was first introduced to the world on international automobile fare iaa in frankfurt, germany from 14.
The m103 and later m102 engines were equipped with a mechanical, continuous injection system cis called kejetronic, which was designed by bosch. Mercedes benz engine control unit ke jetronic, 0035453832. Ive put it all in one file again if you guys want just a pdf. Apr 18, 2008 1988 mercedes benz 260e 124 chassis l62599cc 2. May 20, 2016 rebuilding the fuel distributor metering unit on a 1992 mercedes benz 200e m102 engine. Fuel injection for mercedesbenz eclass 19871995 w124. Fuel injection pelican parts porsche, bmw, mini, mercedes.
Today, it has been superseded by gasoline injection systems which thanks to electronics have been vastly improved and expanded in their functions. Buy mercedes benz engine control unit ke jetronic, 003 545 7632. There is a good series of videos by the makers of the cis jetronic repair kit. Troubleshooting guide for kjetronic fuel injection. Way more information than you ever wanted on how to fell a tree. Buy mercedes benz engine control unit ke jetronic, 0035453832.
Mercedesbenz mechanicalelectronic injection ke m103. Kjetronic fuel control unit on a 102 engine at a glance. Whereas the increase in engine power was the main object at the start of development work on gasoline injection, today we are spurred on by the necessity to improve the fuelconsumption. Most times it will start and run with no issues at al. M102 rushing idlecar wants to go, leaking fuel w201 190class. For mercedes benz cars i have summarized all injection and ignition parts and spares in appendix a. There is also a handy pdf guide for the whole process in my dropbox folder cis repair kit step by. I am sorry that it is only mercedesbenz, but it is a hell of a job to do. Flow testing a bosch cis kjetronic fuel injection system from a 1984 mercedes 380sl. There is also a handy pdf guide for the whole process in my.
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