Read online w124 m102 engine user manual w124 m102 engine user manual w124 engine problem m102. Ke jetronic technical instruction mercedesbenz forum. Since this point, the k jetronic has now become particularly important with regard to. Ke jetronic mercedes benz 190 e free download as pdf file. Bosch kejetronic continuous injection system mechanical fuel injection overview part 1of 6. The m102 engine family was a straight4 gasoline automobile engine from mercedes benz in the 1980s and early 1990s. There is also a handy pdf guide for the whole process in my dropbox folder cis repair kit step by. Dec 11, 2014 flow testing a bosch cis k jetronic fuel injection system from a 1984 mercedes 380sl. There was a lot i was not aware of and there are a number of things that i may not be able to help with. I crank the engine, which fires, but it will only run for a couple of seconds. M102 rushing idlecar wants to go, leaking fuel w201 190class. In this case test the air flow sensor potentiometer job 07. For mercedes benz cars i have summarized all injection and ignition parts and spares in appendix a. May 20, 2016 rebuilding the fuel distributor metering unit on a 1992 mercedes benz 200e m102 engine.
Enginedesk contains richdata for parts and engines. It uses the same ignition controller, but comes with a much more advanced oxygen sensor computer, and sometimes a knock sensor computer as well. Buy mercedes benz engine control unit ke jetronic, 003 545 7632. To get access to the technical data and parts information we provide the following options. Mercedesbenz w124 pdf service manuals free download. Kjetronic fuel control unit on a 102 engine at a glance. Flow testing a bosch cis kjetronic fuel injection system from a 1984 mercedes 380sl. Rebuilding the fuel distributor metering unit on a 1992. There is a good series of videos by the makers of the cis jetronic repair kit. 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. 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 primary pressure regulator that is installed in the fuel distributor housing maintains a constant pressure in the fuel system of the k jetronic. I am sorry that it is only mercedesbenz, but it is a hell of a job to do. Buy mercedes benz engine control unit kejetronic, 003 545 7632.
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. The fuel injection system used on all mercedesbenz gasoline engine vehicles uses a. Tsz transistorove zapalovani ezl elektronicke zapalovani btdc pred horni uvrati. Ke jetronic a gasoline injection system must inject precisely the correct amount of fuel for the various operating conditions. Bosch kejetronic overview mercedesbenz forum benzworld. 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. Mercedesbenz mechanicalelectronic injection ke m103. 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. Ive put it all in one file again if you guys want just a pdf. Clutches free delivery possible on eligible purchases. The service is particulary useful for engine rebuilders and maintenance shops. 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. There is also a handy pdf guide for the whole process in. Inside the mercedes m102 engine taking a look inside the m102 engine.
The problem is that most repair shops these days are clueless as to how this system works. The best documentation ive ever seen for ke jetronic, from your local bosch service centre. There is also a handy pdf guide for the whole process in my. Fuel injection for mercedes benz eclass 19871995 w124. 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. Troubleshooting guide for kjetronic fuel injection. Today, it has been superseded by gasoline injection systems which thanks to electronics have been vastly improved and expanded in their functions. I have a 1992 mercedes w124 230te with ke jetronic fuel. Eclass w124 ke jetronic diagnosis ke jetronic diagnosis hello all on this forum.
The m102 engine family was a straight4 gasoline automobile engine from mercedesbenz in. 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. The mercedes benz w201 was the first compact executive car manufactured by german automotive manufacturer mercedes benz. These m103 engines applied mechanical fuel injection, ke jetronic.
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. Fuel injection for mercedesbenz eclass 19871995 w124. Buy mercedes benz engine control unit ke jetronic, 0035453832. Mercedesbenz w124 reliability specs still running strong. Ke jetronic ke jetronic or cise, which means continuous injection system with electronic control is a variant on the much more basic jetronic system. Electronic engine control free delivery possible on eligible purchases. Fuel injection pelican parts porsche, bmw, mini, mercedes. Ke jetronic mercedes benz 190 e fuel injection engines scribd. Acces pdf benz m102 engine benz m102 engine inside the mercedes m102 engine taking a look inside the m102 engine. Apr 18, 2008 1988 mercedes benz 260e 124 chassis l62599cc 2. When standing still, sometimes it feels like the car is rushing a bit, and as the car is an. The final car to use k jetronic was the 1994 porsche 911 turbo 3.
This is not the exact schema for the cis in a m102 engine, but it is a good. Dec 28, 2009 i have a 1992 mercedes w124 230te with ke jetronic fuel injection. Tsz transistorove zapalovani ezl elektronicke zapalovani btdc pred horni. Mercedes benz engine control unit ke jetronic, 0035453832. Most times it will start and run with no issues at al. Rebuilding the fuel distributor metering unit on a 1992 mercedes.
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 the 1980s. I am sorry that it is only mercedes benz, but it is a hell of a job to do. 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. Repair kejetronic system change air flow mass sensor. Inyeccion bosch kejetronic by jonathan ulloa cascante on prezi. Nov 27, 2014 in 1985 mercedes benz and others switched to ke jetronic where electronics was back. Way more information than you ever wanted on how to fell a tree. 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. For mercedesbenz cars i have summarized all injection and ignition parts and spares in appendix a. Cold start injectors and valves, eha valves, fuel accumulators, fuel injectors. For most pre1991 manufactured w124s, the fuel injection system on these engines are mostly using bosch ke jetronic.
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. Mercedes benz w124 pdf service manuals, workshop and repair manuals, wiring diagrams, parts catalogue, fault codes free download. Rebuilding the fuel distributor metering unit on a 1992 mercedes benz 200e m102 engine. The m103 and later m102 engines were equipped with a mechanical, continuous injection system cis called kejetronic, which was designed by bosch.