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Video Petrol Injection 1
Video Petrol Injection 2
Video Petrol Injection 3
Video Petrol Injection 4
Video Petrol Injection 5
Video B-Dir. Combustion
Video Dir. Petrol Injection 1
Video Dir. Petrol Injection 2
Video Dir. Petrol Injection 3
Video Dir. Petrol Injection 4
Video Dir. Petrol Injection 5
Video Petrol Injection Kugelf.
Video Homog. Working
Video Stratified-charge Oper.
Video Fuel Distrib.
Video Induction System
Video Petrol Injection Signal 1
Video Petrol Injection Signal 2
Video Idle Speed Device
Video Mass Air Flow Sensor 1
Video Mass Air Flow Sensor 2
Video Mass Air Flow Sensor 3
Video System Press. Reg. 1
Video System Press. Reg. 2
Video Injection Valve
Video Ind. Pulse Generator
Video Single Point Injection 1
Video Single Point Injection 2
Video Single Point Injection 3
Video Single Point Injection 4
Video Unregistrated Air
Video Lambda Sensor 1
Video Lambda Sensor 2
Video Lambda Sensor 3
Video Lambda Sensor 4
Video Lambda Sensor 5
Video Thermo Time Switch
Video Side-channel Pump
Video Peripheral Pump

Video First Fuel Pump
Video Petrol Injection Pump
Video D-Jetronic (MPI)
Video K-jetronic
Video KE-jetronic
Video KE-Jetroncic - Test, Diagn.
Video L-jetronic
Video LE-jetronic
Video LE-motronic
Video LH-jetronic
Video Vol. Air Flow Sensor
Video Idle Speed Device
Video Aux. Air Valve
Video Thermo Time Switch
Video Roller Vane Pump

Video Petrol injection 1
Video Petrol injection 2


          A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Multi-position injection LE-jetronic







Function

The catalytic converter requires an Lambda control. The first European tests were made (hence the "E" in LE-Jetronic) whereby, after a precisely prescribed run on the test bench, the exhaust gases were collected and were then analysed.

How it works

The electronically controlled multi-point injection probably had the best requirements for the integration of the Lambda control. In principle, only one additional sensor had to be integrated into the system. In detail this was however a little more complicated. Since up to now, additional signals were added to the exsisting processes to calculate the injection amount. Actually, it is more of a control. Now, after ascertaining the remaining oxygen in the exhaust gas, it had to be regulated over and over again.The first equipment still had cold start valves, which however, were replaced with a double pulsing of the normal injectors (below approx. 300 RPMs of engine speed).

Sensors

Lambda sensor, air volume meter, temperature sensor (coolant), throttle switch, ignition signal (terminal 1).

Actuators

Injection valve, relay (fuel pump)

09/09

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Translator: Don Leslie - Email: lesdon@t-online.de

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