L32 EXCESSIVE SMOKINESS' AT EXHAUST TERMINAL - Fiat - STILO - eLearn

Supplementary heater exhaust is excessively smoky during operation.

0	PRELIMINARY CHECK	All OK	Problems met	Operation
		Results of the tests
	Check the air intake port is not blocked or damaged.	Continue to Step 1	Air port blocked.	Remote the obstruction from the air port
	Check the air intake port is not blocked or damaged.	Continue to Step 1	Air port damaged	Change the air port
1	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect the diagnostic equipment (Examiner) check the CO2 input value is within set values while in parameter mode.	Continue to Step 2	CO2 input values outside normal range	Calibrate the CO2 input values
2	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Keep the Examiner diagnostic equipment connected and check for errors: in the spark plugs in the air intake motor in the fuel pump	End of diagnosis	Spark plug or air intake motor not working	Continue to Step 4
		End of diagnosis	Spark plug or air intake motor not working	Continue to Step 3
3	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	The fault persists	Change the fuel pump Op. 5020M30
4	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	The fault persists	Change the supplementary heater Op. 5020M10Search for the fault starting from another symptom'