22 · Diagnostics

Black exhaust fumes

Make: Lancia
Model: Ypsilon Factory Service Manual
Year: 2003–2011
Section: Emissions › Black exhaust fumes

‹ Prev CO EMISSIONS LOW, NOx EMISSIONS HIGH Next › Excessive fuel consumption

Fault diagnosisBlack exhaust fumes

BLACK EXHAUST FUMES

1.2 8v

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	Continue according to the instructions in See table X05 EXCESSIVE OIL CONSUMPTION
1	CHECKING AIR CIRCUIT	All OK	Problems met	Operation
	check the state of the air filter; the condition and seal of the air supply circuit	Continue to Step 2	Circuit component damaged	Replace faulty component
		Continue to Step 2	Filter element dirty or damaged	Replace the filter element
2	CHECKING 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	'Supply system' error detected	See table Z50
			'Upstream lambda sensor' error detected	See table Z56
			'Downstream lambda sensor' error detected	See table Z58
			Another error dected in the control unit	Continue following the instructions for the diagnostic equipment.
			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 instruments) carry out the active diagnosis of the injectors	Continue to Step 4	Connections faulty	Restore the connection of the injectors with the control unit See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT
		Continue to Step 4	Injector faulty	Replace injector Op. 1056B70
4	CHECK ON FUEL PRESSURE	All OK	Problems met	Operation
	Check the fuel supply pressure Op. 0510C10	Continue to Step 5	Pressure not correct	Replace the fuel pump assembly
5	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists

1.2 16v, 1.4 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	Continue according to the instructions in See table X05 EXCESSIVE OIL CONSUMPTION
1	CHECKING AIR CIRCUIT	All OK	Problems met	Operation
	Check: the state of the air filter; the condition and seal of the air supply circuit	Continue to Step 2	Circuit component damaged	Replace faulty component
		Continue to Step 2	Filter element dirty or damaged	Replace the filter element
2	CHECKING 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	'Supply system' error detected	See table Z50
			'Upstream lambda sensor' error detected	See table Z56
			'Downstream lambda sensor' error detected	See table Z58
			Another error dected in the control unit	Continue following the instructions for the diagnostic equipment.
			Lack of dialogue with the control unit	Restore the connection between the engine management control unit and the diagnostic connector
3	ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Using the diagnostic equipment (Examiner or other instruments) carry out the active diagnosis of the injectors	Continue to Step 4	Connections faulty	Restore the connection of the injectors with the control unit
		Continue to Step 4	Injector faulty	Replace injector Op. 1056B70
4	CHECK ON FUEL PRESSURE	All OK	Problems met	Operation
	Check the fuel supply pressure Op. 0510C10	Continue to Step 5	Pressure not correct	Replace the fuel pump assembly
5	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists

‹ Prev CO EMISSIONS LOW, NOx EMISSIONS HIGH Next › Excessive fuel consumption

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