Short-term self adjustment. Checking electrical system on gas injection and ignition system (PEC)

Type ad · topic 07.54 · version 0103 · 2004-05-07

Applies to: ENGINE 111.979 in MODEL 902.0, 903.0, 904.0 with CODE (MS7) NGT (Natural Gas Transporter) sprinter

Where it sits

Function group 1 Engine › 07 Mixture formation › 07.54 Gas injection and ignition system — Series 902 (models 0**) · Series 903 (models 0**) · Series 904 (models 0**)

EinPAS 15 Engine › 15.45 Engine management › 15.45.1 Basic information — Series 902 (models 0**) · Series 903 (models 0**) · Series 904 (models 0**)

Also applies to engines/gearboxes: 111 979

AD07.54-D-6000-23A

Short-term self adjustment. Checking electrical system on gas injection and ignition system (PEC)





Scope of testing

Test instrument/test connection

Operation/

Requirement

Specified value

 Possible cause/

Remedy

1.0



Short-term self adjustment

Idling/part load

Signal from lambda control



Engine: idling

Coolant temperature

>60°C

Actual value 04

(In case of a complaint, the lambda control must be measured at idling speed and at 2500 rpm)

Alternating between

0  10%

 Exhaust system upstream of sensor leaky

 Injection valves