ad0752d600023a

PEC fuel injection and ignition system test of electrical system temporary self-adaptation

Type ad · topic 07.52 · version 0100 · 2003-06-06

Applies to: ENGINE 111.979 in MODEL 901, 902, 903, 904

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.52 PEC-SFI fuel injection/ignition system — Series 901 · Series 902 · Series 903 · Series 904

EinPAS 15 Engine › 15.45 Engine management › 15.45.1 Basic information — Series 901 · Series 902 · Series 903 · Series 904

Also applies to engines/gearboxes: 111 979

AD07.52-D-6000-23A

PEC fuel injection and ignition system test of electrical system temporary self-adaptation

Scope of test

Measuring instrument/Test connection

Operation/

Requirement

Specified value

Possible cause/

Remedy

1.0

Temporary self-adaptation

Closed throttle position/part-load

Lambda control signal

Engine: Idling

Engine coolant temperature

> 60 °C

Actual value 04

(In the event of a complaint the Lambda control must be measured at idle speed and at 2500 rpm with the purge line (to engine) disconnected and sealed)

Fluctuates between

0 10 %

Exhaust system leaking before sensor

Fuel injection valves

Diaphragm pressure regulator

Defective purging