Workshop Manuals Factory service & repair

Fiat Multipla Factory Service Manual (1998-2010)22 · Fault diagnosis

22 · Diagnostics

Black exhaust fumes

Make: Fiat
Model: Multipla Factory Service Manual
Year: 1998–2010
Section: Emissions › Black exhaust fumes

‹ Prev White exhaust fumes Next › Excessive exhaust fumes

Fault diagnosisBlack exhaust fumes

BLACK EXHAUST FUMES

1.6 16v

There are a great deal of exhaust fumes, with dark coloured smoke;

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Check whether the problem is connected with oil consumption	Continue to Step 1	Excessive oil consumption	See table X05
1	AIR CIRCUIT CHECK	All OK	Problems met	Operation
	Check: the state of the air filter the condition and seal of the air supply circuit (ensure in particular that the ducts are not blocked or restricted)	Continue to Step 2	Circuit component damaged	Replace the component (see Assembly 1048A)
2	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket Check that there are no fault in the engine management control unit	Continue to Step 3	An error is detected in the control unit	Continue according to the instructions for the diagnostic equipment
		Continue to Step 3	Lack of dialogue with the control unit	Restore the connection between the engine management control unit and the diagnostic connector ( See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT).
3	ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Using the diagnostic equipment (Examiner or other iinstruments) carry out the active diagnosis of the iinjectors.	Continue to Step 4	Injector connections faulty	Restore the connection of the injectors with the control unit, ( See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT)
		Continue to Step 4	Injectors faulty	Replace the injectors Op. 1056B70
4	FUEL PRESSURE CHECK	All OK	Problems met	Operation
	Check the fuel supply pressure Op. 0510C10	Continue to Step 5	Pressure not correct	Replace the fuel pump assembly Op. 1040A70
5	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Search for the fault starting from another symptom'

‹ Prev White exhaust fumes Next › Excessive exhaust fumes

Parts & tools for this job For 1998 Fiat Multipla

Links open Amazon search results in a new tab. As an Amazon Associate I earn from qualifying purchases.