P0270

P0270

Diagnosis information - DME V8 DFI

Fuel injector, cylinder 4

NOTE:
- If a misfire has been detected, fuel injector diagnosis is deactivated until ignition off.
- Fuel injector diagnosis is active again when the engine is started once more.

Diagnostic conditions
- Vehicle voltage more than 9 V
- Engine running

Possible fault causes
- Open circuit in control line
- Short circuit to ground in control line
- Short circuit to B+ in control line
- Fuel injector faulty

Affected contacts on the DME control unit connector
Connector [B]:
- Contact 25
- Contact 74

Affected contacts on the fuel injector connector
- Contact 1
- Contact 2