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Fiat Ulysse Factory Service Manual (2002-2010)22 · Fault diagnosis

22 · Diagnostics

White exhaust fumes

Make: Fiat
Model: Ulysse Factory Service Manual
Year: 2002–2010
Section: Emissions › White exhaust fumes

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Fault diagnosisWhite exhaust fumes

WHITE EXHAUST FUMES

2.0 16V JTD, 2.2 16V JTD

A high level of pale-coloured exhaust fumes is noted.

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
0	PRELIMINARY CHECKS	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	First, check: that there is no water or other liquids in the fuel tank engine oil level	Move on to Step	1. Presence of dirt in the fuel tank	1. Clean the fuel tank
		Move on to Step	2. Level too high	2. Adjust engine oil level
1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic connector and check the following at the engine management control unit:in errors ambient that there are no faults	Move on to Step	Error detected in the control unit	Continue following the instructions for the diagnostic equipment
2	BLOW-BY CIRCUIT CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the condition of the blow-by gas intake circuit, in particular check that there are no obstructions in the separator or in the pipes	Move on to Step	1. Fault in the pipe from separator to intake	1. Restore circuit to working order: change the pipe if necessary
		Move on to Step	2. Fault in the separator (tappet cover)	2. Restore circuit to working order: if necessary, replace the tappet cover
3	CYLINDER COMPRESSION CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Carry out the cylinder compression check	Move on to Step	Cylinder compression insufficient	Move on to Step
4	CHECK THE CAUSE OF THE INSUFFICIENT COMPRESSION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	R.R. cylinder head: Check condition of cylinders/piston rings the seal of the valve oil seals	Move on to Step	1. Cylinder/ring wear outside tolerances	1. Restore correct operating clearances
		Move on to Step	2. Valve oil seal insufficient	2. Replace the oil seal, if necessary, overhaul the head
5	TURBOCHARGER SEAL CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check: that there are no engine oil leaks from the turbocharger impeller shaft that the turbocharger impeller shaft clearance is not too large	Move on to Step	1. Leaks	1. Change the turbocharger
		Move on to Step	2. Clearance too large	2. Change the turbocharger
6	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present

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Parts & tools for this job Staging For 2002 Fiat Ulysse

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