3233008 - B20 ENGINE STARTS, AND CUTS OUT STRAIGHT AWAY

The engine starts, with difficulty and then immediately cuts out suddenly

		Results of the tests
1	PRELIMINARY CHECKS	All OK	Problems met	Operation
	Whether there is service information on the subjectFuel cleanlinessExhaust blockagesSpark plugs Condition of air intake circuit	Continue to Step 2	Impurities in the fuel	Clean the fuel tank
			Exhaust blocked (catalyzer)	Renew the exhaust pipe
			Spark plugs worn or not the type recommended by the manufacturer	Replace the spark plugs
			Air intake pipes faulty	Restore the air intake circuit
2	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket and check:for errors in the control unitthe plausibiilty of the parameters, in particular:engine temperature rail pressure and rail pressure setting injection timesair mass	Continue to Step 3	An error is detected in the control unit	Continue according to the instructions for the diagnostic equipment
			unreliable parameters	Continue according to the instructions for the diagnostic equipment
3	LOW PRESSURE CIRCUIT CHECK	All OK	Problems met	Operation
	Check that the fuel pressure is correct	Continue to Step 4	Operating pressure or max. pressure not within the recommended limits	Check that the fuel pump is correctly supplied, that there are no blockages in the exhaust pipe and, if necessary, replace the petrol pump
4	CORRECT ENGINE TIMING CHECK	All OK	Problems met	Operation
	Check that the timing is correct	Continue to Step 5	Timing not correct	Ensure that the timing is correct
5	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists: control unit faulty	Replace engine management control unit Op.   1056B82