B20 ENGINE STARTS AND CUTS OUT STRAIGHT AWAY - Lancia - THESIS - eLearn

The engine starts normally, though possibly with difficulty, then suddenly stalls

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket and check the following at the engine control node: that there are no errors in the control unit; parameter plausibility	Move on to Step	1. Error detected in the control unit	1. Continue following the instructions in the diagnostic table
		Move on to Step	2. Parameters not plausible	2. Continue following the instructions in the diagnostic table
2	SUPPLY PRESSURE CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the fuel supply pressure with the ignition ON and the engine switched off See in Op. 0510C10 FUEL SYSTEM - Check DELIVERY PRESSURE Start the engine and check that the supply pressure does not decrease	Move on to Step	The supply pressure decreases	Replace the fuel pump assembly See in Op. 1040A70 SUBMERGED PUMP ASSEMBLY complete with level gauge - R.R.
3	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present		Fault persists control unit defective	Replace the control unit See in Op. 1056B82 Injection/ignition system CONTROL UNIT (one) - R.R.