3360205 - D02 ENGINE NOT RUNNING SMOOTHLY / (LOSING POWER)

Under conditions of constant load and speed, there are intermittent decreases in performance, even prolonged
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation

Check, in order:

  • that there are no leaks from the fuel system
  • the condition of the air intake circuit
  • for any obstructions in the catalyzer
  • that there is no water in the diesel filter
  • the condition of the air intake circuit
Continue to Step 1Fuel leaksEliminate the water from the diesel
Faulty in the air intake circuitRestore the air intake circuit
Catalyzer obstructedReplace the catalyzer
Water in diesel filterClean the tank and replace the filter
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket.

Verify:

  • that there are no errors in the control unit
  • the plausibiilty of the parameters
Continue to Step 2Error detected in the control unitContinue following the instructions for the diagnostic equipment
Implausible parametersContinue following the instructions for the diagnostic equipment
2ROAD TEST WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Road test the vehicle keeping the diagnostic instrument connected
Make sure that the conditions in which the problem occurs are reproduced

Verify:

  • that there are no errors in the control unit
  • the plausibiilty of the parameters
Continue to Step 3 Error suddenly occurs in the control unitContinue following the instructions for the diagnostic equipment
Parameters off the scaleContinue following the instructions for the diagnostic equipment
3CHECK ON BRAKE PEDAL SWITCHAll OKProblems metOperation
Check that the brake pedal switch is working properly See   E5050  DIESEL ENGINES ELECTRONIC MANAGEMENT Continue to Step 4 Brake pedal does not returnEliminate the cause of the sticking
Switch faulty Replace the switch
Wiring short circuited (intermittently)Eliminate the cause of the problem See   E5050  DIESEL ENGINES ELECTRONIC MANAGEMENT
4CHECKING CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentFault persistsSearch for the fault starting from another symptom'