Kjetronic lambda first introduced in the volvo 265 in 1976 and later used in the delorean in 1981. In addition, the technology delivers the minutest pressure difference valves. These fuel injection systems were considered to be really reliable and trustworthy. 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. 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. Apart from minor alterations the basic principles of the hydraulics and mechanics used on the kjetronic system are. The primary pressure regulator that is installed in the fuel distributor housing maintains a constant pressure in the fuel system of the kjetronic. Primarypressure regulator, kjetronic bosch classic. It only appeared late in the development of the motorcar because the injection amounts are so small. These adjustments are intended to be followed by an actual exhaust gas co check to ensure. Automotive equipment business sector, department for automotive services, technical publications khpdi2.
Mercedes benz engine control unit for w201, kejetronic. The bankruptcy ania proceedings continued until february 2008, when new bastion purchased the corporate shell of. Kmi service exchanged k jetronic fuel distributors are carefully remanufactured by our technicians. Tthe photo obviously shows the system as fitted to a four cylinder cvh in an old escort but the principles of operation within this guide should be the same for its other applications wether capri 2. Check the system pressure and flow with the lb2912f. Mar 02, 2012 bosch k jetronic fuel distributor duration. Nov 29, 2014 d jetronic is not as sensitive to bypass air as e.
The dedicated shade tree mechanic can do it, but needs to be wellinformed first. Bosch ljetronic l jetronic rx7 brought to you by the team at created date. General information and precautions bosch kjetronic and. Interject k jetronic servicing and cleaning procedure 1. Hookup the auxiliary fuel tank and fittings as shown on page 4.
Bosch k jetronic fuel injection service repair manual. But wedidnt anticipate the ravages offuel con tamination. The primary pressure regulator that is installed in the fuel distributor housing maintains a constant pressure in the fuel system of the k jetronic. Bosch kejetronic system the bosch kejetronic fuelinjection system is fitted to escort rs turbo models and is a further development of the kjetronic system. In contrast to the kjetronic system, the kejetronic system also takes a number of. The engines fuel requirements a sparkignition engine needs a particular airfuel ratio in order to operate. The transaction has been unanimously approved by the board of directors of both companies. This is a vw kr engine with bosch kjetronic injection. Bosch le jetronic bmw copyright equiptech boschlejetronic thereismuchconfusionabouttheactualtypeofinjectionsystemfittedtomanybmwmotorcarsduringtheperiod1980to. Wealso didntknowthatthesystemwould evolve into electronically controlledversions suchas klambda and ke. It is a socalled hybrid a mixture of mechanical and electronic injection systems. Basically, it is pretty similar to the kjetronic with some changes and modifications. 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.
Apart from the electronics, it is always regarded as the. K jetronic, but massive bypass air will make it fail like any other injection system. The final car to use k jetronic was the 1994 porsche 911 turbo 3. Description and operation kejetronic cise injection system.
The mechanical portion of the cise system consists of the mixture control unit air. 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. Experiencing, listening to the new experience, adventuring, studying, training, and more practical deeds may assist you to improve. Inotek pharma itek to merge with rocket pharmaceuticals.
Mechanical fuel injection bosch kjetronic, bosch k jetronic fig. Buy mercedes benz engine control unit for w201, kejetronic 103. Someofus rememberthedayswhenwelookedat this systemand thought servicingthis willbeabreezethesystems almost entirely mechanical. 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. Technical data sheets bosch k jetronic fuel injection. Even kjetronic did not manage to withhold electronics. This definition appears rarely and is found in the following acronym finder categories. 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. Electronic engine control free delivery possible on eligible purchases. Description and operation kejetronic cise injection system a mechanical hydraulic injection system provides the basis for the bosch kejetronic cise fuel system. Bosch k jetronic fuel injection manual pdf document. K jetronic since its introduction, the k jetronic gasoline injection system has proved itself in millions of vehicles. It requires 01 drive, sod injects the luel continuously.
Kjetronic bosch kjetronic fuel injection bauteile components. 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. 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. Kjetronic, but massive bypass air will make it fail like any other injection system.
Bankruptcy court for the eastern district of pennsylv. The main feature of mono motronic system is the existence of a single. 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. Ke jetronic troubleshooting for most pre1991 manufactured w124s, the fuel injection system on these engines are mostly using bosch ke jetronic. The key is to advance the timing to the peak power point. Djet bosch d jetronic fuel injection acronymfinder. Bosch ke3 jetronic 539 89 injection system manual 328 mondial to read online or download as pdf. In november 2000, prior to the merger, jetronic filed for bankruptcy in the u. This synthesis, comprising the mechanical basic functions coupled with electronic adaptation and optimization functions is the.
The lambda system is a feedback control capable of measuring airfuel ratios and constantly correcting them. Certain operating conditions make it necessary to correct the mixture accordingly. 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. Pdf the gasoline engine management system electronically controls combustion parameters amounts of. Operation of rollercell pump 1 suction side, 2 rotor plate, 3 roller, 4 roller race plate, 5 pressure side. Ke jetronic troubleshooting for most pre1991 manufactured w124s, the fuel injection system on these engines are mostly using bosch kejetronic. Mechanical fuel injection bosch k jetronic, bosch k jetronic fig. 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. Fuel management carried out by the mixture control unit. 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. Bosch kjetronic fuel injection part 2 volvo owners club. Jan 04, 2009 this is a vw kr engine with bosch k jetronic injection. Product information automotive gasoline systems diagnostics and.
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. Classic vehicles will take you on a journey through the history of fuel injection. Start the engine and bring up to normal running temperature. The fuel is injected by solenoidoperated fuelinjection valves into the. About 1620 degrees btdc seemed to be right for me, and if youre not sure, about 12 is. 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. The fuel is supplied by an electrically driven fuel pump which develops the pressure necessary for injection.
In 1978 ljetronic was the first system with lambda controlled closed loop control. The merger agreement contains further details with respect to this adjustment and the transaction. 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. The combination of the two systems makes it possible to obtain both economy and performance, while minimizing exhaust emissions. Assuring you of quality and reliability at a cost effective price. 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. Or lets have a look at one more version bosch cise continuous injection system electronic. Kejetronic is based on the mechanical basic system of k jetronic. Then tested and calibrated to manufacturers original specification. I am also addressing the basic settings involved in adjusting the fuel mixture here. A thorough understanding of the various components is required before working on k jetronic fuel systems. The kjetronic is the first mechanicalhydraulic and continuous fuel injection. The kjetronic system was installed as original equipment in series production vehicles in the years 1973 through 1995. 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.
Troubleshooting symptoms kjetronic is a mechanical system. A variant of kjetronic with closedloop lambda control, also named kujetronic, the letter u denominating usa. Inyeccion bosch kejetronic by jonathan ulloa cascante on prezi. The stream of air drawn in by the engine deflects the sensor plate, which in turn actuates the fuelmetering plunger. Robert bosch gmbh, 2000 postfach 30 02 20, d70442 stuttgart. Electronically controlled injection systems inject the fuel intermittently with. Bookmark file pdf bosch k jetronic fuel injection service repair manual bosch k jetronic fuel injection service repair manual. 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. 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. The details in this file refer to ke jetronic 19841987 on the us coupe and 4k the 1987.
Bosch kjetronic fuel injection systems volvo owners club. The kjetronic is a mechanical fuel injection system which injects continuously and which needs no form of drive whatsoever. 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. Historia 19851993 aplicaciones cise usa kjetronic mercedes benz 230 e ano. Apart from minor alterations the basic principles of the hydraulics and mechanics used on the kjetronic system are unchanged on the kejetronic system. The following table is a guide to the fuel paths marked by each blue arrow in figure 6. The engine has always run lumpy and had a lot of hesitation.
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