Bosch ke jetronic fuel injection manual by geraldine issuu. Seaion 54, kmoronic chapter f exhaust emission control system chaptw g fuel evaporative emission control system chapter u crankcase emission con. Kjetronic troubleshooting from a couple of specialists. Download the mondial 8 qv workshop manual from that link a different page on the ferrari database site it has a very extensive bosch kjetronic section for the i and qv systems that are not included on the 308 workshop manuals. Retrieved 23 september specialist books provided by bosch get an overview of bisch technology. Bosch kjetronic fuel injection manual boschtech12d. Some later post versions contain hardware support for first generation diagnostics according to iso a. Gasoline fuelinjection system kjetronic pdf download this shop manual may contain attachments and optional equipment that are not available in your area. Detailed instructions on how to repair the fuel distributor, which. 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. The ferrari workshop manual info on the earlier cis is mostly inapplicable.
Electronically controlled mechanical fuel injection. Gasolineengine management gasoline fuel injection system k jetronic technical instruction. A thorough understanding of the various components is required before working on kjetronic fuel systems. The only vehicle that runs a higher pressure than this is the porsche turbo carrara models from 1975 to 1979 which. Please refer to our instruction manual on cleaning cold start injectors with the pulse generator. Bosch k jetronic and ke jetronic fuel injection volvo owners club. English translation of the german edition dated september 1998.
Dec 22, 2015 chapter 1 bosch fuel injection an overviewchapter 2 engine management fundamentalschapter 3 pulsed injection theorychapter 4 pulsed injection troubleshooting and servicechapter 5 continuous injection theorychapter 6 continous injection troubleshooting and servicechapter 7 tuning for performance and economyappendixindex. Sep 14, 2017 save this book to read bosch ke jetronic fuel injection manual pdf ebook at our online library. Jul 28, 2019 cis kjetronic fuel injection tester with quick couplers. Sep 06, 2020 cis kjetronic fuel injection tester with quick couplers. The fuel pressure regulator used on d jetronic systems consist of a valve connected to a spring loaded diaphragm. Originally, volkswagen adapted the ljetronic for the type 4 air cooled 411 engines sold in the united states due to more stringent emissions and fuel consumption regulations. In the meantime, things have this manual will show you how. The system is based on the kjetronic mechanical system, with the addition of an electrohydraulic actuator, essentially a fuel injector inline with the fuel return. If the cold start injector is leaking, the idle will get worse as the engine temperature increases. The volume of air taken in by the engine is measured to determine the amount of fuel to inject. The fuel is pumped by an electricallydriven roller cell f uel pump. This solenoid is a simple threeport device that takes one feed from the turbochargers compressor 3. Mar 01, 2016 approximately up until 1994 mechanical fuel injection systems have been installed on certain mercedes, audi, volkswagen, ford etc.
Aug 11, 2014 gasolineengine management gasoline fuel injection system kjetronic technical instruction published by. Bosch k jetronic mechanical fuel injection troubleshooter note. Nov 21, 2009 the fuel distribu tor allocates this fuel to the injection the kjetronic is a mechanically and valves of the individual cylinders. If the cold start injector is leaking, the engine will be overfueled even if cold. It is delivered at a regulated pressure and any excess fuel. Bosch l jetronic fuel injection troubleshooting, maintenance. The following table is a guide to the fuel paths marked by each blue arrow in figure 6. Bosch d jetronic fuel injection system and this example is the electronic fuel injection efi system in place on the cars perform well because they have bosch the fuel injection control.
Bosch ljetronic l jetronic rx7 brought to you by the team at created date. It is delivered at a regulated pressure and any excess fuel is returned to the tank. The average system pressure on all kjetronic fuel systems should be 520 kpa. Robert bosch gmbh, 2000 postfach 30 02 20, d70442 stuttgart. In simple terms, its a form of mechanical fuel injection. Bosch d jetronic and k jetronic troubleshooting mercedes. Troubleshooting guide for k jetronic fuel injection. Fuel injection bosch kjetronic cis electric equipment. The mechanical fuel injection system has recently been overshadowed by modern electronic injection, which enables. Part was received very bikes, bicycles, atvs, cart.
Electronically controlled gasoline fuelinjection system. Gasoline engine management gasoline fuel injection system k jetronic technical instruction published by robert bosch gmbh, 2000 postfach 300220, d 70442 stuttgart. Pushes fuel from the fuel tank, into the injection system. Please consult your local distributor for those items you may require. Fuel injection ern chapter c fuel system chapter d turbocharging system chapter e ignition. Statistics cookies these cookies improve the quality of the statistic data that is used to further improve the website. Continuous injection system found on european cars and volkswagen models assembled in the u. The engine control unit ecu may be either analog or digital, and the system may or may not have closedloop lambda control. K jetronic friends of pdf all our visitors are our friends. Fuel injection bosch kjetronic cis posted on july 4, 2020 by admin leave a comment. Do an injector flow test and replace any that do not deliver the correct amount of fuel or have a poor spray. Vw ljetronic fuel injection workshop manual created date. Bosch k jetronic fuel injection manual nov 20, 2009 transcript of bosch k jetronic fuel injection manual 1.
Electronically controlled gasoline fuelinjection system with. Bosch fuel injection manual pdf for download the saab link forums. Get bosch ke jetronic fuel injection manual pdf file for free from our online library. Mechanical fuel injection bosch kjetronic, bosch k jetronic fig. Today, it has been superseded by gasoline injection systems which thanks to. Bosch k jetronic fuel injection manual bosch k jetronic fuel injection manual read more and get great. Troubleshooting guide for kjetronic fuel injection. 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. It doesnt quite match the typical kjetronic diagram in the bosch kjetronic technical instruction book but it may be just a nomenclature difference. Useful as a cross reference to avoid the yellow box markup bosch kjetronic fuel injection.
The k jetronic is a mechanical fuel injection system from bosch. The regulator controls the fuel pressure at 2832 psi and is adjustable so it can ensure the proper fuel pressure throughout the life of the vehicle. Bosch k jetronic with these systems, the fuel is delivered in a conventional manner from the fuel tank, via a rear mounted fuel pump, up to the fuel distribution unit often known as the metering head in the engine bay. These fuel injection systems were considered to be really reliable and trustworthy. Gasolineengine management gasoline fuelinjection system kjetronic technical instruction. Incorrect fuel pressure can cause a lean running engine if the fuel pressure is too. Originally, volkswagen adapted the ljetronic for the type 4 air cooled 411 engines sold in the united states due to more stringent emissions and fuel. The pump must be capable of producing more than 6bar as the system pressure of most kjet systems is approx 5 to 5. Fuel pump an electric fuel pump is used to provide fuel pressure of about 6080 psi 4.
To aid in starting, a check valve in the pump works in conjunction with the accumulator and the piston. Gasolineengine management gasoline fuel injection system kjetronic technical instruction published by. My acount new message s 0 unquoted sourcing you will be taken software for all models of engines, cars, trucks, edit my. Kjetronic is different from pulsed injection systems in that the fuel flows continuously from all injectors, while the fuel pump pressurises the fuel up to approximately 5 bar 73. The pump should be producing more fuel than the engine needs. These are found on cars with the bosch cis fuel injection. Bosch k jetronic fuel injection manual pdf document. Bosch cis lambda injection nozzle pin in injector vibrates to atomize fuel.
The fuel distribu tor allocates this fuel to the injection the kjetronic is a mechanically and valves of the individual cylinders. The bosch k jetronic fuel injection system is of the. It requires 01 drive, sod injects the luel continuously. Since its introduction, the kjetronic gasolineinjection system has pro. Manual kjetronic bosch ke jetronic manual bosch kjetronic service manual bosch ke jetronic workshop manual bosch k jetronic manual mercedes bosch d jetronic fuel injection manual kjetronic le jetronic l jetronic ke jetronic kjetronic german kjetronic deutsch he gregg reference manual. Between the years 1973 and 1995, the highly reliable, mechanical multipoint injection system kjetronic was installed as original equipment in seriesproduction vehicles. Gasoline fuelinjection system kjetronic pdf download. Jetronic is a trade name of a fuel injection technology for automotive petrol enginesdeveloped and marketed by robert bosch gmbh from the s onwards. Bosch efi fuel injection systems d l lh k ke hp books pdf 30 4 mb engine repair manuals english en. Bosch kjetronic and kejetronic mechanical fuel injection systems. This system, when compared with conventional carburettor arrangements, achieves a more accurate control of the. Automotive equipment business sector, department for automotive services, technical publications khpdi2. Page 3 kjetronic fuel system diagram page 4 kjetronic hookup diagram for flow and pressure tests. Bosch kjetronic system the bosch kjetronic fuel injection system is of the continuous injection type and supplies a precisely controlled quantity of atomised fuel to each cylinder under all operating conditions.
Since its introduction, the k jetronic gasoline injection system has. In more elaborate terms, kjet is a continuous injection system commonly called cis, where unlike later ljetronic or standard electronic fuel injection, the injectors do not pulse open and closed. A manual of style, grammar, usage, and formatting, 11th ed 19911994 dodge dakota repair manual manual. Cis kjetronic fuel injection tester with quick couplers.
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