Disconnect the return line from the distributor head 6a, and connect a hose from the. Sensor bosch l jetronic injection air flow meter youtube. In order to read or download bosch ljetronic fuel injection manual ebook, you need to create a free account. Linkage controlled inline mechanical fuel injection pumps relied on a map on a 3dcam see sterntwiete that is mechanically read. Bosch kjetronic part 1, the basics tastes like petrol. Later injector windings are brass while the ones used on our beloved vehicles are copper. The bosch l jetronic fuel injection system used in the porsche 912e is often. Ljetronic manufactured under license by japan electronic control systems was fitted to the 1980 kawasaki zh1, the worlds first production fuel. Bosch djetronic fuel injection manual engines motor. Hookup the auxiliary fuel tank and fittings as shown on page 4.
The ljetronic was the first massproduced, fully electronic fuel injection system. Good bosch ljetronic manuals i found alfa romeo forums. Bosch technical instruction l jetronic pdf manufactured by the company bosch presented for you in electronic format page size 586 x 829 pts rotated 0 degrees. Ljetronic system air mass measurement n fuel injection system has to know mass of air n airflow meter provides air mass flow information u mass is calculated by volume flow and density f need device to determine flow air flap on airflow meter f need temperature to determine density temperature sensor in air flow meter afm 1. Before troubleshooting, testing or adjusting the kjetronic fuel injection system, the. While new carburated engines were used in the european markets, vw adapted the ljetronic for the type 4 in the us due to more stringent. The following table is a guide to the fuel paths marked by each blue arrow in figure 6. Nov 27, 2014 mechanical fuel injection continued to be popular in gasoline engines until early 70s with mechanical injection pumps from bosch and kugelfischer. Technical manual helps to bikes, bicycles, atvs, cart, oil than those which solve any problems. System overview 18 fuel system 20 operatingdata acquisition 28 operatingdata processing 38 mmotronic engine management e28 goodies bosch monopunto a2. Gasoline fuel injection system ljetronic bosch pdf. Beginners introduction to the bosch ljetronic mono fuel injection system.
The l jetronic aod ils variants are electro nically controlled fuel injection systems solenoidopersle bosch technical instruclion series. The system is of the timed port injection type, with injection solenoids delivering the fuel on demand, the length of time the solenoid is open determining the amount of fuel being delivered to the engine. Little information exists about the testers that were compatible with the bosch afc fuel injection used in 7579 vw busses. Vw ljetronic fuel injection workshop manual author.
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. Ljetronic fuel injection systems pdf document fdocuments. The pressure gauge kdep 1034 is the same unit used to test robert bosch k jetronic cis systems and reads from 06 bar pressure. All, i found two great links for bosch l jetronic manuals. Bosch l jetronic injection 1 author crit keywords bosch l jetronic l jetronic rx7 brought to you by the team at 1 created date. Bph105 gasoline fuel injection system monojetronic bosch technical manual. The bosch book by charles probst says that on some other ljetronic models these resistors were superseded and the current limiting was built into the injector windings. Author crit keywords bosch l jetronic l jetronic rx7 brought to you by the team at 1. Bosch ljetronic fuel injection troubleshooting, maintenance.
Licensing some of bosch s ljetronic concepts and technologies, lucas, hitachi automotive products, nippondenso, and others produced similar fuel injection systems for asian car manufacturers. In this video, we test our black box fuel enrichment control device on an alfa romeo gtv6. Volkswagen type2vanagon ljetronic fuel injection type2profimanual000. Gasoline injection systems overview 16 mmotronic engine management mmotronic. Between the years 1973 and 1995, the highly reliable, mechanical multipoint injection system kjetronic was installed as original equipment in seriesproduction vehicles. This manual can be viewed on any computer, as well as zoomed and printed, makes it easy to diagnose and repair problems with your machines electrical system. Vw ljetronic fuel injection workshop manual created date. Bosch l jetronic fuel injection troubleshooting, maintenance. I really just wanted one more as a curiosity because the basics of the ljetronic system can easily be tested with a vom and fi fuel pressure gauge but if it was practical enough to build, mechanics at the vw dealer must. 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. Solely responsible for a 23 horsepower increase on the 2 liter engines, this system, known as bosch l jetronic, was popular not only on fiats but on nearly every. The bosch ljetronic fuel injection system used in the porsche 912e is often referred to as the air flow controlled or afc. Bosch gasoline fuel injection from the year 1954 12 15.
Read book technical manual l jetronic technical trainings bosch classic bosch l jetronic tester richard atwell s vw bus pages may 3rd, 2018 bosch manuals the bosch manual is pretty bad but it gives you an idea of what accessories are available it seems there are several versions of the. Modifying bosch ljetronic fuel injection the black box. Mar 11, 2018 bosch ljetronic injection manual foxed. Bosch l jetronic fuel injection fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector.
In 1990 bosch motronic fuel injection replaced ljetronic on the spider and 164 models. Even though it has a premium version for faster and. Vw ljetronic fuel injection workshop manual pdf yumpu. Bosch ljetronic l jetronic rx7 brought to you by the team at ljetronic fuel injection systems for bmw e12s. L jetronic fuel injection systems for bmw e12s peter florance introduction. However the components on an injected fiat x19, fiat spider, lancia or other ljetronic car will not be located in the same place they are on a gtv6. Books pics is a cool site that allows you to download fresh books and magazines for free. This article focuses on fuel injection in reciprocating piston and rotary piston engines. Today, it has been superseded by gasoline injection systems which thanks to. Ljetronic with lamba closed loop control bosch technical instruction series. Nov 21, 2009 1 million throttlebody injection tbi in 1967 fuel injection took another systems and 3. Ljetronic fuel injection systems for bmw e12s peter florance introduction. Please consult your local distributor for those items you may require. This can increase fuel delivery and offer mod or performance sup.
Bosch ljetronic l jetronic rx7 brought to you by the team at. A thorough understanding of the various components is required before working on kjetronic fuel systems. Bosch ljetronic fuel injection manual volkswagen type2vanagon djetronic fuel injection pro training manual. Gasoline fuel injection system ljetronic bosch pdf download this manual may contain attachments and optional equipment that are not available in your area. Auxiliary air regulator on the type 4 engine, the auxiliary air regulator is located immediately behind the intake air distributor. Ljetronic the bosch ljetronic also called afcair flow controlled fuel injection was put into usspec type 4s in the last model year 1974. The bosch ljetronic fuel injection system used in the porsche 912e is often referred to as the air flow controlled or afc fuel injection system.
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