939010156 - W010 BLACK EXHAUST FUMES

The customer complains of: Excessive black/grey fumes

		Results of the tests
0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
	Check that the engine oil level is correct    Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY Check that the air intake/vacuum circuit is working properly    See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECKCheck the condition of the fuel supply circuit and make sure that it is working properly    See Test 1040OA FUEL SUPPLY CIRCUIT CHECKCheck the operation of the low pressure supply circuit    See Test 1060OB CHECK ON SUPPLY LOW PRESSURE FUEL CIRCUIT	Move on to Step 1	Oil level incorrect	Restore the correct engine oil level    Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY
1	AMBIENT PARAMETERS CHECK	All OK	Problems encountered	Operation
	Select the following control unit at the diagnostic equipment: EDC16C39 Diesel electronic injection control unit.Check the value of the following parameters:. Battery voltage    See Test 5530BB BATTERY VOLTAGE 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 CHECK	Move on to Step 2
2	ELECTRICAL EQUIPMENT CHECK	All OK	Problems encountered	Operation
	Check that fuse F1 has not blown (it is the last one at the bottom of the vertical row) The check on the following system is only necessary if the outside temperature is below 0 °C.	End of diagnosis	Fuse F1 has blown	Restore the connections or, if necessary, replace the junction unit in the engine compartment    Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R.