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

AD07.52-S-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



Brief self-adaptation

Closed throttle position/part-load exceeded

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.)

Continually fluctuates between

010 %

 Exhaust system leaking in front of three-way catalytic converter.

 Fuel injection valves

 Diaphragm pressure regulator

 Defective purging