194002099 - W011 EXCESSIVE EXHAUST FUMES

The customer complains of: Excessive blue fumes
Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Check that the engine oil level is correct    Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARYCheck that the air intake/vacuum circuit is working properly by carrying out the    See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECKCheck the condition of the fuel supply circuit and make sure that it is working properly carrying out the    See Test 1040OA FUEL SUPPLY CIRCUIT CHECKCheck the operation of the low pressure supply circuit by carrying out the    See Test 1060OB CHECK ON SUPPLY LOW PRESSURE FUEL CIRCUITMove on to Step 1Oil level incorrectRestore the correct engine oil level    Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY
1AMBIENT PARAMETERS CHECKAll OKProblems encounteredOperation
Select the following control unit at the diagnostic equipment: EDC 16C39 Diesel electronic injection control unit. Check the value of the following parameters:. Battery voltage    See Test 5530BB BATTERY VOLTAGE CHECK. Measured air mass    See Test 1060GG MEASURED AIR MASS CHECK. Atmospheric pressure    See Test 1060GD ATMOSPHERIC PRESSURE CHECK. Engine coolant temperature    See Test 1060OE CHECK ON OPERATION OF COOLANT TEMPERATURE SENSOR. Diesel temperature    See Test 1060EA DIESEL FUEL TEMPERATURE CHECK. Engine rpm    See Test 1060GI ENGINE SPEED CHECKMove on to Step 2
2PREHEATING RELAY ACTIVE DIAGNOSISAll OKProblems encounteredOperation
Carry out the active diagnosis for the preheating relay, checking that the result is positive.
The check on the following system is only necessary if the outside temperature is below 0 °C.
Move on to Step 4The result of the active diagnosis is negativeMove on to Step 3
3HEATER PLUGS CHECKAll OKProblems encounteredOperation
Check that the heater plugs are working properly, by carrying out the    See Test 5520CA GLOW PLUGS FUNCTIONAL TESTMove on to Step 4
4ELECTRICAL EQUIPMENT CHECKAll OKProblems encounteredOperation
Check that the fuses F1 (the last one at the bottom of the vertical row) and F20 (the first one on the right of the lower row) have not blownMove on to Step 6Fuse F1 has blownRestore the connections or, if necessary, replace the junction unit in the engine compartment    Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R.
Fuse F20 has blownMove on to Step 5
5DIESEL PREHEATING FUSE CHECKAll OKProblems encounteredOperation
Check the circuit for the protective fuse for the diesel preheating relay, conduct    See Test 5505AB CHECK DIESEL PREHEATING RELAY PROTECTIVE FUSEMove on to Step 6
6DIESEL PREHEATING RELAY CHECKAll OKProblems encounteredOperation
Check the diesel preheating relay circuit, conductSee Test 5505AC CHECK DIESEL PREHEATING RELAYMove on to Step 7
7CYLINDER COMPRESSION CHECKAll OKProblems encounteredOperation
Carry out the cylinder compression checkSee Test 0510A10 CYLINDER COMPRESSION - CHECK FOR LOOSE SPARK PLUGS OR INJECTORSEnd of diagnosisCylinder compression insufficientMove on to Step 8
8CHECK ON CAUSE OF INSUFFICIENT COMPRESSIONAll OKProblems encounteredOperation
Carry out the    Op. 1016C10 SINGLE CYLINDER HEAD - R.R. AND REPLACE GASKETto check the valve sealCheck condition of cylinders/piston ringsEnd of diagnosisValve seal insufficientOverhaul the head    Op. 1016E10 SINGLE CYLINDER HEAD, REMOVED - OVERHAUL
Cylinder/ring wear outside tolerancesRestore correct operating clearances