Engine does not start / under no circumstances

Make: Alfa Romeo
Model: GT Factory Service Manual
Year: 2003–2010
Section: Starting › Engine does not start / under no circumstances

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Fault diagnosisEngine does not start / under no circumstances

ENGINE DOES NOT START / UNDER NO CIRCUMSTANCES

1.8 T.SPARK

0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
		Results of the tests
	Turn the key ON and check that the initial check on the I.E. and CODE warning lights takes place. The I.E. warning light should come on for about 4 seconds and then go out, whilst the CODE warning light should come on for around 1 second and then go out Then check: that the inertia switch has not been operated; status of spark plugs and leads; no obstructions in the catalytic converter; no water in the fuel	Move on to Step 1	The I.E. warning light stays on	Continue following the instructions in the table See table K50 I.E. FAILURE WARNING LIGHT ON
			Both warning lights remain on	Continue following the instructions in the table See table K51 I.E. WARNING AND CODE WARNING LIGHT BOTH ON / ENGINE DOES NOT START
			The CODE waring light stays on	Continue following the instructions in the table See table K52 CODE FAILURE WARNING LIGHT ON
			The I.E. warning light does not carry out the intial test	Continue following the instructions in the table See table K53 I.E. FAILURE WARNING LIGHT OFF / (DO NOT CARRY OUT INITIAL TEST)
			The CODE warning light does not carry out the intial test	Continue following the instructions in the table See table K54 CODE WARNING LIGHT OFF (INITIAL TEST NOT CARRIED OUT)
			The warning lights do not carry out the initial test	Continue following the instructions in the table See table K49 I.E. FAILURE WARNING LIGHT AND CODE WARNING LIGHT BOTH OFF / ENGINE DOES NOT START
			Intertia switch operated	Restore correct operation
			Spark plugs dirty or worn	Replace the spark plugs Op. 5510D10 SPARK PLUGS - R+R
			Spark plug leads damaged	Replace the leads
			Catalyzer(s) blocked	Replace catalyzer(s)
			Water in fuel	Clean the tank
1	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket. Check: that there are no errors in the control unit; parameter plausibility	Move on to Step 2	Error detected in the control unit	Continue following the instructions for the diagnostic equipment
		Move on to Step 2	Parameters not plausible	Continue following the instructions for the diagnostic equipment
2	RPM SIGNAL CHECK	All OK	Problems encountered	Operation
	During starting, check for the correct rpm signal by carrying out Test 5510CF See Test 5510 ENGINE IGNITION	Move on to Step 3	RPM sensor defective	Change rpm sensor
		Move on to Step 3	Rpm sensor wiring broken	Restore wiring
3	FUEL PUMP ACTIVATE DIAGNOSIS	All OK	Problems encountered	Operation
	Carry out the active diagnosis of the fuel pump and check that it is working properly	Move on to Step 4	Pump not working	Move on to Step 5
4	PETROL PUMP ELECTRIC CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check the petrol pump power supply and earth by carrying out Test 1040AB See Test 1040 FUEL TANK AND PIPES	Move on to Step 5	Connections not correct	Repair the connections See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT
		Move on to Step 5	Pump faulty	Replace the petrol pump Op. 1040A70 SUBMERGED PUMP ASSEMBLY COMPLETE WITH LEVEL GUAGE CONTROL - R + R
5	SUPPLY PRESSURE CHECK	All OK	Problems encountered	Operation
	Check that the fuel supply pressure is correct by carrying out Test 1056BY See Test 1056 PETROL INJECTION SYSTEM	Move on to Step 6	Pressure not correct	Eliminate any obstruction in the supply pipe. If necessary, replace the pump assembly Op. 1040A70 SUBMERGED PUMP ASSEMBLY COMPLETE WITH LEVEL GUAGE CONTROL - R + R
6	CHECK ON CORRECT OPERATION	All OK	Problems encountered	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists: control unit defective	Replace the control unit Op. 1056B82 CENTRALINA (UNICA) DELL''IMPIANTO INIEZIONE/ACCENSIONE - S.R.

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Parts & tools for this job For 2003 Alfa Romeo GT

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