It requires 01 drive, sod injects the luel continuously. Kjetronic system overview fuel supply 14 fuel metering 18 adapting to operating conditions 24 supplementary functions 30 exhaustgas treatment 32 electrical circuitry 36 workshop testing techniques 38 kjetronic since its introduction, the kjetronic gasolineinjection system has proved itself in millions of vehicles. Even kjetronic did not manage to withhold electronics. For complete injector testing diffrent equipment is required. Apr 18, 2008 the basic function of the ke jetronic system is to meter fuel to the engine dependent upon the quantity of air drawn in by the engine which is the main actuating variable. These adjustments are intended to be followed by an actual exhaust gas co check to ensure. Bosch ke jetronic manual bosch ke jetronic workshop manual bosch k jetronic service manual bosch k jetronic manual mercedes bosch d jetronic fuel injection manual manual k jetronic l jetronic k jetronic le jetronic k jetronic german k jetronic deutsch bosch fsa 740 using manual bosch manual she bosch manual classixx 5 bosch manual bosch. Primarypressure regulator, kjetronic bosch classic. Hookup the auxiliary fuel tank and fittings as shown on page 4. Electronic engine control free delivery possible on eligible purchases. Someofus rememberthedayswhenwelookedat this systemand thought servicingthis willbeabreezethesystems almost entirely mechanical.
About 1620 degrees btdc seemed to be right for me, and if youre not sure, about 12 is. This is a vw kr engine with bosch kjetronic injection. Pdf the gasoline engine management system electronically controls combustion parameters amounts of. Bosch kjetronic fuel injection part 2 volvo owners club. Fuel management carried out by the mixture control unit. Home video course bosch ke3 jetronic 539 89 injection system manual 328 mondial read online available as pdf. The primary pressure regulator that is installed in the fuel distributor housing maintains a constant pressure in the fuel system of the kjetronic.
The technical instruction bookletfuel injection continuous injection system cisat the back of the manual describes the components and operation of the k jetronic fuel injection system in detail. Mechanical fuel injection bosch kjetronic, bosch k jetronic fig. 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. Kejetronic is based on the mechanical basic system of k jetronic. This synthesis, comprising the mechanical basic functions coupled with electronic adaptation and optimization functions is the. Rich mixtures on this systemk jetronicgive surging idles anyway,fix the idle co 1st before worrying about the stalling,these engines are quite happy to run on about 1. Check the system pressure and flow with the lb2912f. The dedicated shade tree mechanic can do it, but needs to be wellinformed first. Technical data sheets bosch k jetronic fuel injection.
The fuel is supplied by an electrically driven fuel pump which develops the pressure necessary for injection. Bosch k jetronic fuel injection service repair manual. Bosch ke jetronic system the bosch ke jetronic fuel injection system is fitted to escort rs turbo models and is a further development of the k jetronic system. 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.
In 1978 ljetronic was the first system with lambda controlled closed loop control. Mercedes benz engine control unit for w201, kejetronic. The engines fuel requirements a sparkignition engine needs a particular airfuel ratio in order to operate. Bosch k jetronic fuel injection manual pdf document. Bosch le jetronic bmw copyright equiptech boschlejetronic thereismuchconfusionabouttheactualtypeofinjectionsystemfittedtomanybmwmotorcarsduringtheperiod1980to. Certain operating conditions make it necessary to correct the mixture accordingly.
Ke jetronic troubleshooting for most pre1991 manufactured w124s, the fuel injection system on these engines are mostly using bosch kejetronic. Apart from the electronics, it is always regarded as the. The final car to use k jetronic was the 1994 porsche 911 turbo 3. Mercedes suggests that special tools are required to adjust the mixture on the bosch ke3 jetronic cise fuel injection, such as is used on the 198891 560 series motors. It only appeared late in the development of the motorcar because the injection amounts are so small. But wedidnt anticipate the ravages offuel con tamination. The transaction has been unanimously approved by the board of directors of both companies. Kjetronic bosch kjetronic fuel injection bauteile components. This definition appears rarely and is found in the following acronym finder categories. The merger agreement contains further details with respect to this adjustment and the transaction. The primary pressure regulator that is installed in the fuel distributor housing maintains a constant pressure in the fuel system of the k jetronic.
Mercedes suggests that special tools are required to adjust the mixture on the bosch ke3jetronic cise fuel injection, such as is used on the 198891 560 series motors. The mechanical portion of the cise system consists of the mixture control unit air. Experiencing, listening to the new experience, adventuring, studying, training, and more practical deeds may assist you to improve. It is a socalled hybrid a mixture of mechanical and electronic injection systems. A variant of kjetronic with closedloop lambda control, also named kujetronic, the letter u denominating usa. Bosch ljetronic l jetronic rx7 brought to you by the team at created date. Nov 29, 2014 d jetronic is not as sensitive to bypass air as e.
Or lets have a look at one more version bosch cise continuous injection system electronic. Bankruptcy court for the eastern district of pennsylv. Kjetronic, but massive bypass air will make it fail like any other injection system. 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. Inyeccion bosch kejetronic by jonathan ulloa cascante on prezi. In addition, the technology delivers the minutest pressure difference valves. In contrast to the kjetronic system, the kejetronic system also takes a number of. Pdf gasoline engine management systems and components. Operation of rollercell pump 1 suction side, 2 rotor plate, 3 roller, 4 roller race plate, 5 pressure side.
Robert bosch gmbh, 2000 postfach 30 02 20, d70442 stuttgart. The lambda system is a feedback control capable of measuring airfuel ratios and constantly correcting them. Ke jetronic troubleshooting for most pre1991 manufactured w124s, the fuel injection system on these engines are mostly using bosch ke jetronic. In november 2000, prior to the merger, jetronic filed for bankruptcy in the u. Jan 04, 2009 this is a vw kr engine with bosch k jetronic injection. K jetronic, but massive bypass air will make it fail like any other injection system. The key is to advance the timing to the peak power point. Historia 19851993 aplicaciones cise usa kjetronic mercedes benz 230 e ano. Approximately up until 1994 mechanical fuel injection systems have been installed on certain mercedes, audi, volkswagen, ford etc. K jetronic since its introduction, the k jetronic gasoline injection system has proved itself in millions of vehicles. General information and precautions bosch kjetronic and.
Rich mixtures on this system k jetronic give surging idles anyway,fix the idle co 1st before worrying about the stalling,these engines are quite happy to run on about 1 to 1. Gasolineengine management gasoline fuel injection system k jetronic technical instruction published by. Bosch kjetronic fuel injection systems volvo owners club. Automotive equipment business sector, department for automotive services, technical publications khpdi2. K jetronic system overview fuel supply 14 fuel metering 18 adapting to operating conditions 24 supplementary functions 30 exhaustgas treatment 32 electrical circuitry 36 workshop testing techniques 38 k jetronic since its introduction, the k jetronic gasoline injection system has proved itself in millions of vehicles. Mixture control unit the task of fuel management is to meter, or allocate, the correct quantity of fuel which corresponds to the amount of air drawn in by the engine. Bosch ke3 jetronic 539 89 injection system manual 328 mondial to read online or download as pdf. The details in this file refer to ke jetronic 19841987 on the us coupe and 4k the 1987. The following table is a guide to the fuel paths marked by each blue arrow in figure 6.
The bankruptcy ania proceedings continued until february 2008, when new bastion purchased the corporate shell of. The fuel is injected by solenoidoperated fuelinjection valves into the. Start the engine and bring up to normal running temperature. Djet bosch d jetronic fuel injection acronymfinder. I am also addressing the basic settings involved in adjusting the fuel mixture here. The main feature of mono motronic system is the existence of a single. Bosch kejetronic system the bosch kejetronic fuelinjection system is fitted to escort rs turbo models and is a further development of the kjetronic system. Kjetronic lambda first introduced in the volvo 265 in 1976 and later used in the delorean in 1981. Mechanical fuel injection bosch k jetronic, bosch k jetronic fig.
The basic function of the ke jetronic system is to meter fuel to the engine dependent upon the quantity of air drawn in by the engine which is the main actuating variable. The kjetronic system was installed as original equipment in series production vehicles in the years 1973 through 1995. Product information automotive gasoline systems diagnostics and. The basic function of the kejetronic system is to meter fuel to the engine dependent upon the quantity of air drawn in by the engine which is the main actuating variable. Wealso didntknowthatthesystemwould evolve into electronically controlledversions suchas klambda and ke. Then tested and calibrated to manufacturers original specification. Kjetronic fuel injection tester with case ta 33865 betooll pro fuel injection pressure tester kit gauge 0140 psi cta tools 3420 compatible for bosch k jetronics c. A thorough understanding of the various components is required before working on k jetronic fuel systems. This development was a direct result of the advantages which are inherent in the injection of gasoline with regard to demands for economy of operation, high output power, and last but not least improvements to.
The combination of the two systems makes it possible to obtain both economy and performance, while minimizing exhaust emissions. Apart from minor alterations the basic principles of the hydraulics and mechanics used on the kjetronic system are unchanged on the kejetronic system. Assuring you of quality and reliability at a cost effective price. Mar 02, 2012 bosch k jetronic fuel distributor duration.
Buy mercedes benz engine control unit for w201, kejetronic 103. Classic vehicles will take you on a journey through the history of fuel injection. As with our fuel distributors, kmi service exchanged kjetronic warm up regulators are fully remanufactured and calibrated to manufacturers original specification on our purpose built test and calibration bench. Apart from minor alterations the basic principles of the hydraulics and mechanics used on the kjetronic system are.
The stream of air drawn in by the engine deflects the sensor plate, which in turn actuates the fuelmetering plunger. Basically, it is pretty similar to the kjetronic with some changes and modifications. Troubleshooting symptoms kjetronic is a mechanical system. Description and operation kejetronic cise injection system. K jetronic fuel injection tester with case ta 33865 betooll pro fuel injection pressure tester kit gauge 0140 psi cta tools 3420 compatible for bosch k jetronics c. The engine has always run lumpy and had a lot of hesitation. Interject k jetronic servicing and cleaning procedure 1. The kjetronic is the first mechanicalhydraulic and continuous fuel injection.
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