2888325 - B20 ENGINE STARTS, AND CUTS OUT STRAIGHT AWAY

The engine starts, with difficulty and then immediately cuts out suddenly
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation

Preliminarily check:

  • that there is no water, other fluid or dirt in the fuel tank
  • the state of the spark plugs and leads
  • the condition of the air intake circuit
  • for any obstruction of the catalyzer
Continue to Step 1Presence of dirt in the fuel tankClean the fuel tank Op.   1040A10 
Spark plugs dirty or damagedClean or replace the spark plugs Op.   5510D10 
Spark plug leads damagedReplace the spark plug leads Op.   5510D14 
Air intake circuit component damagedReplace the component (see Assembly 1048A)
Catalyzer obstructedReplace the catalyzer Op.   1080B62 
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket Check that there are no fault in the engine management control unitContinue to Step 2An error is detected in the control unitContinue according to the instructions for the diagnostic equipment
Lack of dialogue with the control unitRestore the connection between the engine management control unit and the diagnostic connector ( See   E5030  PETROL ENGINE ELECTRONIC MANAGEMENT ).
2COILS CHECKAll OKProblems metOperation
Using the diagnostic equipment (Examiner or other iinstruments), carry out the active diagnosis of the coilsContinue to Step 3Coils connection faultyRestore the connection for the coils with the control unit, ( See   E5030  PETROL ENGINE ELECTRONIC MANAGEMENT )
Ignition coils faultyReplace the ignition coils Op.   5510C14 
3CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'