2888489 - W05 WHITE EXHAUST FUMES

There is a large amount of exhaust fumes, with light coloured smoke
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation

Preliminarily check:

  • no water or other fluids in the fuel tank
  • no leaks from the engine cooling system
Continue to Step 1Detect and locate leaksClean the fuel tank Op. 1040A24
Detect and locate leaksRestore the correct tightening, repair or replace the components involved (see Assembly 1088D)If the defect persists, See table   X10 
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 ).
2ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the diagnostic equipment (Examiner or other iinstruments) carry out the active diagnosis of the iinjectors.Continue to Step 3Injector connections faultyRestore the connection of the injectors with the control unit, ( See   E5030  PETROL ENGINE ELECTRONIC MANAGEMENT )
Injectors faultyReplace the injectors Op.   1056B70 
3CYLINDER HEAD CHECKAll OKProblems metOperation

Check:

  • that the cylinder head tightening is correct
  • the gasket seal
Continue to Step 4Cylinder head tightening not correctRestore correct tightening
Cylinder head damagedReplace the gasket Op.   1016C10 
Cylinder head damagedReplace the cylinder head Op. 1016C20
4BLOW-BY CIRCUIT CHECKAll OKProblems metOperation
Check the condition of the blow-by gases intake circuit.In particular, check that there are no obstructions in the separator or in the pipesContinue to Step 5Blow-by circuit faultyRestore the correct operation of the circuit: if necessary, replace the pipes (see Assembly 1080D)
Fault in the separatorReplace the separator Op.   1080D34 
5CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persistsSearch for the fault starting from another symptom'