3022757 - W10 BLACK EXHAUST FUMES

There are a great deal of exhaust fumes, with dark coloured smoke;
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Check whether the problem is connected with oil consumptionContinue to Step 1Excessive oil consumption See table   X05  EXCESSIVE OIL CONSUMPTION
1CHECKING AIR CIRCUITAll OKProblems metOperation

Verify:

  • The state of the air filter;
  • Check the condition and seal of the air supply circuit
Continue to Step 2Circuit component damagedReplace faulty component
Filter element dirty or damagedReplace the filter element
2CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect diagnostic equipment (Examiner or other instruments) to the diagnostic socket.Check that there are no fault in the engine management control unitContinue to Step 3'Fuel system' error appears See table   Z50  MIXTURE STRENGTH ERROR
'Upstream lambda sensor' error detected See table   Z56  UPSTREAM LAMBDA SENSOR SIGNAL ERROR
'Downstream lambda sensor' error detected See table   Z58  DOWNSTREAM LAMBDA SENSOR SIGNAL ERROR
Another error dected in the control unitContinue following 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
3ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the diagnostic equipment (Examiner or other instruments) carry out the active diagnosis of the injectorsContinue to Step 4Injector connections faultyRestore the connection of the injectors with the control unit See   E5030  PETROL ENGINE ELECTRONIC MANAGEMENT
Injectors faultyReplace injectors Op.   1056B70 
4CHECKING FUEL PRESSUREAll OKProblems metOperation
Check the fuel supply pressure Op.   0510C10  Continue to Step 5Pressure not correctReplace the fuel pump assembly
5CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentFault persistsSearch for the fault starting from another symptom'