194002098 - W010 BLACK EXHAUST FUMES

A high level of dark coloured exhaust fumes is noted

		Test results
0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
	Check whether the problem is associated with oil consumption	Move on to Step 1	Excessive oil consumption	See tableSee table X05 EXCESSIVE OIL CONSUMPTION
1	AIR CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check: The state of the air filter; The condition and seal of the air supply circuit	Move on to Step 2	Circuit component damaged	Replace the defective component
			Filter element dirty or damaged	Replace the filter element
2	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Connect the diagnostic test equipment (Examiner or other instruments) to the tester input.Check that there are no faults in the engine management control unit.	Move on to Step 3	"Fuel system" error detected	See table    Z50 ERRORE TITOLO MISCELA
			"Upstream Lambda sensor" error detected	See table    Z56 ERRORE SEGNALE LAMBDA A MONTE
			"Downstream Lambda sensor" error detected	See table    Z58 ERRORE SEGNALE LAMBDA A VALLE
			Another error detected in the control unit	Continue following the instructions for the diagnostic equipment
			No communication with the control unit	Restore the connection between the engine management control unit and the diagnostic connector See    See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT
3	ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Connect the diagnostic equipment (Examiner or other instruments) and carry out the active diagnosis for the injectors.	Move on to Step 4	Injector connection faulty	Restore the connection for the injectors with the control unit See    See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT
			Injectors faulty	Replace the injectors Op.    Op. 1056B70 INJECTOR (ONE) - R + R WITH FUEL MANIFOLD PIPE REMOVED - INCLUDES SEAL REPLACEMNT
4	FUEL PRESSURE CHECK	All OK	Problems encountered	Operation
	Check the fuel supply pressure Op.    Op. 0510C10 FUEL SYSTEM - CHECK DELIVERY PRESSURE	Move on to Step 5	Pressure not correct	Replace the fuel pump assembly
5	CHECK CORRECT OPERATION	All OK	Problems encountered	Operation
	Check that the fault is no longer present		Fault persists	Search for the fault starting from another symptom