125000465 - B20 ENGINE STARTS, AND CUTS OUT STRAIGHT AWAY

The engine starts normally, though possibly with difficulty, then suddenly stalls
Results of the tests
1CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation

Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket and check the following at the engine control node:

  • That there are no errors in the control unit;
  • Parameter plausibility
Move on to Step 2 1Error detected in the control unitProceed as instructed by the diagnostic tester
Parameters not plausibleProceed as instructed by the diagnostic tester
2SUPPLY PRESSURE CHECKAll OKProblems encounteredOperation
Check the fuel supply pressure with the ignition ON and the engine switched off Op.    Op. 0510C10 FUEL SYSTEM - CHECK DELIVERY PRESSURE.Start the engine and check that the supply pressure does not decreaseMove on to Step 3 1The supply pressure decreasesReplace the fuel pump assembly Op.    Op. 1040A70 SUBMERGED PUMP ASSEMBLY COMPLETE WITH LEVEL GUAGE CONTROL - R + R
3CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Check that the fault is no longer presentEnd of diagnosisFault persists: engine management control unit defectiveReplace the engine management control unit Op. 1056B82