Jetronic is a trade name of a fuel injection technology for automotive petrol enginesdeveloped and marketed by robert jetrnoic gmbh from the s onwards. Read online now gasoline fuel injection system mono jetronic book by bentley pu ebook pdf at our library. Gasoline injection systems overview 16 mmotronic engine management mmotronic. Monojetronic also conforms with stan to the engine temperature and starter. In this system, the injection command unit controls only the fuel system. Xep publishing file id f541c9d50 by agatha christie is often referred to as the air flow controlled or afc fuel injection system originally volkswagen adapted the l jetronic for the type 4. Monojetronic fuelinjection system system overview monojetronic is an electronically controlled, lowpressure, singlepoint injection spi system for 4cylinder engines. Fuel tank the fuel tank contains a fuel gauge sending unit, a filler tube and a fuel pump. While port injection systems such as ke and ljetronic employ a separate injector for each cylinder, monojetronic features a single, centrallylocated, solenoidcon. The bosch l jetronic fuel injection system used in the porsche 912e is often referred to as the air flow controlled or afc fuel injection system. You might not require more times to spend to go to the ebook.
Product information automotive gasoline systems diagnostics and. Bosch kjetronic system the bosch kjetronic fuelinjection system is of the. The features of motronic and mono motronic systems are similar, differing in the amount of fuel injection valves. Kjetronic debuted in the the volume j air taken in by the engine. System overview 18 fuel system 20 operatingdata acquisition 28 operatingdata processing 38. Kjetronic fuel injection system kjetronic is a mechanically and hydraulically operated fuel injection pump, introduced by bosch gmbh in the year 1973. Gasoline fuel injection system mono jetronic pdf995 bitbin. Now i have a little knowledge of mono jetronic fuel injection system. Jetronic controls fuel supply while the electronic ignition system provides optimal ignition control. Since its introduction, the kjetronic gasolineinjection system has pro ved itself in millions of. The bosch singlepoint injection systems are called. Gasolineinjection systems overview 16 mmotronic engine management mmotronic. The k jetronic was extended to include an electronic control loop and the lambda sensor and was employed for the. The system is used in conjunction with a turbocharger on rs turbo models.
Bosch mono jetronic manual pdf epub conorjaylon since this point, the k jetronic has now become particularly impor tant with regard to maintenance and repair. Direct petrol injection system with bosch motronic med 7. There are several variations of the technology offering technological development and refinement. Monojetronic always had adaptive closedloop lambda control, and due to the simple. This page was last edited on 30 novemberat sequential fuel injection and knock control. Bosch licensed the concept to many automobile manufacturers. Fuelmanagement systems, system overview, operationdata acquisition and processing, central injection unit, monomotronic. Ljetronic system fuel pump n uses positive displacement roller pump. Bosch cis fuel injection age related issues with kent. The quantity of fuel injected is determined by the following. The kjetronic was extended to include an electronic control loop and the lambda sensor and was employed for the. Bookmark file pdf bosch mono jetronic manual nswpeace 1984.
Jetronic is a trade name of a fuel injection technology for automotive petrol engines, developed. Introduction n this seminar will describe the l jetronic system fitted on e12s n it will also cover trouble shooting and performance tips. Its more common to have singlepoint injection where a single injector feeds all the. This manual is designed to assist the technician unfamiliar with robert bosch fuel injection systems in locating faults in the ljetronic system, isolating. Kjetronic system overview the kjetronic is a mechanically and hydraulically controlled fuelinjection system which needs no form of drive and which meters the fuel as a function of the intake air quantity and injects it continuously onto the engine intake valves. The lejetronic system is analog, and therefore it does not keep in memory possible damage that may occur. The following table is a guide to the fuel paths marked by each blue arrow in figure 6. Bosch mono jetronic manual pdf epub conorjaylon since this point, the kjetronic has now become particularly impor tant with regard to maintenance and repair. By controlling both major systems in a single unit, many aspects of the engines characteristics such as power, fuel economy, drivability, and emissions can be improved.
In the lejetronic system, the injection valves spray the fuel simultaneously, what is to say, they are all driven at the same time. 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. As i noticed, my uno have a problem with throttle position sensor, or. L jetronic fuel injection systems for bmw e12s peter florance. The features of motronic and mono motronic systems are bsch, differing in the amount of fuel injection valves.
Advantages of the direct petrol injection system this system offers fuel savings of up. It is mounted on a stand with wheels and operates electrically at 120v. Fuel pump fuel filter fuel accumulator fuel distributor inlet tract inlet. Bosch monojetronic electronically controlled gasoline fuel. Cis kjetronic fuel injection tester with quick couplers. Bookmark file pdf bosch mono jetronic a2 2 manual bosch mono jetronic a2 2 manual bosch mono jetronic a2 2 re. These fuel injection systems were considered to be really reliable and trustworthy. These early motronic systems integrated the spark timing element with thenexisting jetronic fuel injection technology.
Originally, volkswagen adapted the l jetronic for the type 4 air cooled 411 engines sold in the united states due to more stringent emissions and fuel consumption regulations. The fuel distribu tor allocates this fuel to the injection the kjetronic is a mechanically and valves of the individual cylinders. The main feature of mono motronic system is the existence of a single. Between the years 1973 and 1995, the highly reliable, mechanical multipoint injection system k jetronic was installed as original equipment in seriesproduction vehicles. Bosch ljetronic fuel injection guide fiat fuel injected engines f. The electronic control unit ecu, which is triggered by the ignition circuit, sends impulses to the injector. Download file pdf bosch mono jetronic a2 2 manual forum bosch monojetronic a2. Bosch digifant engine management system jetronic motronic. Bosch, 39 pages qr code for benzineinspritzsystem kjetronic. Gasoline fuelinjection system monojetronic bosch technical manual. These are found on cars with the bosch cis fuel injection.
The bosch success story in figures more than 100 years of experience, more than 10,000. Testing djetronic map sensor understanding djetronic fuel injection part 2 jaguar v12 the map sensor is the heart of the djetronic fuel injection system. Mechanical fuel injection bosch kjetronic, bosch k jetronic fig. In the mono motronic, the ignition system is also controlled by the same command unit. This manual will describe the kjetronics function and its particu lar features. I also got information that resetting ecu could be done for having best performance. Contents 1 d jetronic 2 k jetronic 3 k jetronic lambda jetronic is a trade name of an fuel injection technology for automotive petrol. Direct petrol injection system with bosch motronic med 7 design and function selfstudy programme 253 service.
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. Targeting cookies these cookies are used to customize information and advertising to your interests based on the content you have visited before. Approximately up until 1994 mechanical fuel injection systems have been installed on certain mercedes, audi, volkswagen, ford etc. Jetronic manual bosch ke jetronic workshop manual bosch kjetronic service manual bosch k jetronic manual mercedes bosch d jetronic fuel injection manual. Combustion in the gasoline engine the sparkignition or ottocycle engine 2 gasolineengine management technical requirements 4 cylinder charge 5 mixture formation 7 gasolineinjection systems overview 10 kjetronic system overview fuel supply 14 fuel metering 18 adapting to operating conditions 24 supplementary functions 30 exhaustgas treatment 32 electrical circuitry 36 workshop. Today, it has been superseded by gasoline injection systems which thanks to. 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. Motronic is the trade name given to a range of digital engine control units developed by robert bosch gmbh commonly known as bosch which combined control of fuel injection and ignition in a single unit. Further new features of monojetronic and motronic compact injection unit and.
Jetronic with only one single, centrally situ ated electromagnetic fuel injector single point injection enabled fuelinjection. Kjetronic cis fuel system diagram shown below is a schematic diagram of fuel lines in a kjetronic as a whole with noise damper and drain line at the fuel accumulator. Before checking any other part of the system, this sensor. Bosch mono jetronic manual seadart this is likewise one of the factors by obtaining the soft documents of this bosch mono jetronic manual seadart by online. Specifications inline4 fiat gas engine displacement. The following information is a revision of, or supplementary to, that contained in part b of this chapter. You can now get the whole how a car works site as a beautiful pdf. A more detailed description of the various system components is given in the following paragraphs. Between the years 1973 and 1995, the highly reliable, mechanical multipoint injection system kjetronic was installed as original equipment in seriesproduction vehicles. The monojetronic and motronic injection systems have many features similar motronicc those of the motonic lvariants, but are quite different from them. The fuel pump, located in the fuel tank, pumps the fuel through a.