In engineering terms, the kjet has a very good mean time between failure, but a horrific mean time to repair. Primarypressure regulator, kjetronic bosch classic. Simple troubleshooting for suchthings as anostart or poor performance problems requires an under standingofhowthe particular systemoperates, and howto diagnoseit. This tool is a must for working on cis fuel injection systems. L jetronic system fuel injectors n open when energized by ecu not continuous as k jetronic. Since their introduction, the jetronic fuel injection systems have proved themselves millions of times over under the harsh conditions of everyday driving. Mechanical fuel injection bosch k jetronic, bosch k jetronic fig. The following table is a guide to the fuel paths marked by each blue arrow in figure 6. Knapp had been one of the key members of this pioneering project to use electronics to control fuel injection. Kjetronic fuel injection system kjetronic is a mechanically and hydraulically operated fuel injection pump, introduced by bosch gmbh in the year 1973. The warmup regulator, also called the control pressure regulator, lowers the control pressure of the kjetronic when the engine is cold.
Repair kits for bosch fuel distributors ke k jetronic cis jetronic. Flow testing a bosch cis kjetronic fuel injection system from a 1984 mercedes 380sl. At least when it comes to the cis system used on the 7883 911 sc. Bosch d jetronic overview this is a basic overview of the bosch d jetronic fuel injection system.
You will be glad to know that right now bosch ke jetronic manual pdf is available on our online library. Bosch k jetronic fuel distributor quick look whilst ive got it out of the car i thought id give you a quick. L jetronic is the term used by bosch to describe a fuel injection system controlled by the air flowing through a sensor. Jaguar v12 the correct fuel pressure is critical for smooth running. 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. For this purpose, bosch bought a mercedesbenz 300 as a. This is an inline pressure tester which indicates problem sources control pressure regulator, fuel distributors or other specific fuel injection components that may require replacing. Bosch kjetronic fuel distributor seal replacement video to. These are found on cars with the bosch cis fuel injection. The fuel distribu tor allocates this fuel to the injection the kjetronic is a mechanically and valves of the individual cylinders.
Bosch ke jetronic manual pdf are you looking for ebook bosch ke jetronic manual pdf. Pdf is after that one of the windows to achieve and edit the world. Kjetronic is the term used by bosch to describe a fuel injection system. Rebuild instructions click here for full instructions. Sinds it is a horror story to replace this thing on a 8. Using the lambda sensor together with additional equipment for the lambda closedloop control facility, the k jetronic can already comply today with the exhaustgas regulations of tomorrow.
Bosch kjetronic 043812 matching orings from repair kit for bosch fuel distributor 043812. Bosch kejetronic system description fuel injection engines. Im going to toss some links on here as sourdough starter. How to remove, test and clean bosch cis gas engine. Bosch l jetronic shop service repair workshop manual. Kjetronic is the term used by bosch to describe a fuel injection system which features continuous injection. Dec 11, 2014 flow testing a bosch cis k jetronic fuel injection system from a 1984 mercedes 380sl. Cis fuel injection parts partsklassik classic parts for. The bosch kjetronic cis fuel distributors are common on all. Infact i used my same tester i bought years ago to work on my none 450sel 6. Rebuild kit for bmw 323i e21 1978 1982 bosch cast iron 6 cyl adjustable fuel distributor. Kejetronic the mythical vacuum connection at fuel pressure regulator warning may contain traces of arrogance. I joined the lotus forums and paid my yearly dues and searched for and received turbo esprit 198087 parts list in pdf format.
Bosch kjetronic cis explained understanding djetronic fuel injection an overview of bosch djetronic in jaguar v12s 19751980 an overview of bosch djetronic as used in jaguar v12s from 1975 to 1980. Cis bosch kjetronic fuel injection pressue tester mercedes. Where can i buy the plastic fuel line material the preasure control line is. Bosch kjetronic cis explained bosch kjetronic fuel distributor matching of. This little goody is a common culprit in kjet or cis problems, along with pumps, oneway valves, accumulators and fuel distributors. Rebuild kits for cast iron bosch fuel distributors salvox. Better yet would be to research, edit and post up a completly refined web page link of my own, aint got one yet. Bosch k jetronic fuel distributor quick look whilst ive. Having recently sorted out a problem with mine, and hopefully understanding its. The bosch k jetronic cis fuel distributors are common on all.
Bosch cis kjetronic flow testing pt 2 flow testing a bosch cis kjetronic fuel injection system from a 1984 mercedes. Injection overview, which is to say its pages taken from course 4. 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. Fuel pressure testing f getting back to basics is not what it used to be. Download file pdf vw k jetronic engine vw k jetronic engine mk2 golf kjet injector testing quick video to show how to test and adjust the fuel delivery from a bosch kjet metering head on a mk2 golf gti 16v. The warmup regulator is installed on the engine to absorb its heat.
Stefan aachen hebrews nt wright for everyone bible study guidesmaytag mhw5500fc 4 5 cu ft front load washer with freshred cross wsi manualjurnal penyakit jantung koroner dftoseland and. Bosch l jetronic shop service repair workshop manual collection. Bosch k jetronic cis explained understanding d jetronic fuel injection an overview of bosch d jetronic in jaguar v12s 19751980 an overview of bosch d jetronic as used in jaguar v12s from 1975 to 1980. 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 kjetronic l jetronic le. These fuel injection systems were considered to be really reliable and trustworthy. There is no scan tool to tell you where to look for the fault. The bosch djetronic electronic fuel injection system is composed of 3 major. Bosch kjetronic continuous injection system mechanical fuel injection overview 15. A backbone of automotive electronics 50 years of bosch. He had been assigned the task of developing the first prototypes in 1959. It requires 01 drive, sod injects the luel continuously. Vw ljetronic fuel injection workshop manual pdf brainteaser mastertec called volvo 240 lh.
Jan 25, 2012 cis fuel injection operation by bob tucker. 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 gasolineinjection system has proved itself in millions of vehicles. There is so much mystery surrounding the cis continuous injection system fuel system bosch has dubbed k jetronic, i wanted to try and make some sense of it for all porsche owners. Playing with your k jetronic warm up regulator, or wur. Bosch kjet mixture setting posted on august 31, 2009 by larry fletcher comments off on bosch kjet 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. With our online resources, you can find bosch ke jetronic manual or just about any type of. In engineering terms, the kjet has a very good mean time between failure, but a horrific mean time to. 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. This little goody is a common culprit in k jet or cis problems, along with pumps, oneway valves, accumulators and fuel distributors. Kjetronic maintenance calibration audi b2 resource. Bosch kejetronic continuous injection system mechanical fuel injection overview part 1of 6 fuel injection system bosch cise.
Apr 22, 2011 1986 hc, 1987 hc, 1988 x180, bosch k jetronic continous injection system cars should have a separate thread because of their unique fuel system and unique problems. Bosch kjetronic fuel distributor seal replacement video. Fuel pressures fuel pressure with fuel pump jeetronic. 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.
The mixture preparation system meters fuel to correspond with the amount of intake air. Fuel distributor rebuild web hosting, domain names kjetronic cis fuel distributor rebuild. Bosch licensed the concept to many automobile manufacturers. Cis kjetronic fuel injection tester with quick couplers. A friend of mine loaned me under penalty of death if i lose it a cis bosch i jetronic fuel injection pressure tester. By the way i have owned a 1981 delorean with bosch kjetronic fuel injection for 10 years and 2 months. 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. In the mean time, lets strive to demystify what fi is, how vw does it, and how to keep our sciroccos running. K jetronic is the term used by bosch to describe a fuel injection system which features continuous injection. Cta tools 3420 fuel injection pressure testerbosch k jetronic c. Nov 21, 2009 the fuel distribu tor allocates this fuel to the injection the k jetronic is a mechanically and valves of the individual cylinders. Repair kit for bosch k jetronic fuel distributor to fit bmw 323i read more.
A friend of mine loaned me under penalty of death if i lose it a cis bosch ijetronic fuel. Aug 31, 2009 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. Apr 28, 2016 kjetronic is a mechanically and hydraulically operated fuel injection pump, introduced by bosch gmbh in the year 1973. Bosch k jetronic fuel injection manual pdf document.
The kjetronic pump requires no form of drive and one of its features is that it can meter the fuel as a function of the intake air quantity. Bosch k jetronic fuel distributor seal replacement duration. The technical instruction bookletfuel injection continuous injection system cis at the back of the manual describes the components and operation of the k jetronic fuel injection system in detail. The air drawn in by the airflow sensor changes the position of the airflow sensor plate in the airflow sensor. Please refer to our instruction manual on cleaning cold start injectors with the pulse. Djetronice explained by pierre hedary part 1 this video is about djetronice explained part 1. This further deflects the control plunger in the fuel distributor and correspondingly supplies additional fuel. 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 kjetronic l jetronic le jetronic kjetronic german kjetronic deutsch bosch fsa 740 using manual bosch manual she bosch manual bosch dishwasher manual bosch. Approximately up until 1994 mechanical fuel injection systems have been installed on certain mercedes, audi, volkswagen, ford etc. Ljetronic system fuel injectors n open when energized by ecu not continuous as k jetronic. Mar 02, 2012 bosch k jetronic fuel distributor duration. Aug 11, 2014 fuel distributor rebuild web hosting, domain names k jetronic cis fuel distributor rebuild. Continuous injection system found on european cars and volkswagen models assembled in the u. In the case ofthe bosch cise fuel injection sys tem,thereis morethanmeets the eye.
With the k jetronic, the preparation is performed by the mixture control unit which consists of a fuel distributor and an airflow sensor. Cisjetronic has everything you need for professionally repairing and recovering bosch kjetronic 19731994, kjetronic lambda, and kejetronic 19851993 fuel distributors. Bosch k jetronic cis explained bosch k jetronic fuel distributor matching of the orings from the repair kit for bosch k. Cis troubleshooting for dummies pelican parts forums. The mechanical portion of the cise system consists of the mixture. Mechanical fuel injection bosch kjetronic, bosch k jetronic fig. Jul 28, 2019 cis k jetronic fuel injection tester with quick couplers. This is how the moving part should look like in rest position. This is how you check the fuel pressure on a car with djetronic fuel. Bosch kejetronic system description free download as pdf file. The technical instruction bookletfuel injection continuous injection system cisat the back of the manual describes the components and operation of the kjetronic fuel injection system in detail. Ke jetronic cis e fuel pressure testing is very similar to the old mechanical version. Books on the cis system generic and porsche specific these books are recommended reading for cis familiarization bosch pdf.
Ljetronic is the term used by bosch to describe a fuel injection system controlled by the air flowing through a sensor. Porsche bosch k jetronic cis cfi vs mfi i have a bosch k jetronic cis system in my 1975 porsche 911 s 2. This success is a result of the advantages which fuel injection can offer when considering todays demands for economy, performance, and cleaner exhausts. Bookmark file pdf bosch k jetronic repair guide kjetronic 8 cyl fuel distributor. A friend of mine loaned me under penalty of death if i lose it a cis bosch i jetronic fuel. Bosch cis fuel injected engine cold and hot start problems duration. Ive been having this problem whereby upon acceleration especially from stop my 420sel stutters and stumbles, then catches and continuous accelerating just fine. The always forgotten kjet filter to my astonishment, this was almost entirely. There are several variations of the technology offering technological development and refinement. The primary pressure regulator that is installed in the fuel distributor housing maintains a constant pressure in the fuel system of the kjetronic.
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