ad0752d600010a

PEC fuel injection and ignition system test of electrical system lambda control

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-6000-10A

PEC fuel injection and ignition system test of electrical system lambda control

Scope of test

Measuring instrument/Test connection

Operation/

Requirement

Specified value

Possible cause/

Remedy

1.0

Lambda control

Signal

Engine: Idling

Engine coolant temperature

> 60 °C

Actual value

(In the event of 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