B20 ENGINE STARTS, AND CUTS OUT STRAIGHT AWAY - Fiat - MULTIPLA - eLearn

2888325 - B20 ENGINE STARTS, AND CUTS OUT STRAIGHT AWAY

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

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	First check that there is fuel in the tank Then check: that there is no water, other fluid or dirt in the fuel tank the condition of the air intake circuit	Continue to Step 1	Presence of dirt in the fuel tank	Clean the fuel tank Op. 1040A10
		Continue to Step 1	Air intake circuit component damaged	Replace the component (see Assembly 1048A)
1	CHECK 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 faults in the engine management control unit plausibility of all the parameters	Continue to Step 2	An error is detected in the control unit	Continue according to the instructions for the diagnostic equipment
		Continue to Step 2	Lack of dialogue with the control unit	Restore the connection between the engine management control unit and the diagnostic connector ( See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT ).
2	FUEL FILTER CHECK	All OK	Problems met	Operation
	Check the condition and the cleanliness of the fuel filter:	Continue to Step 3	Filter dirty	Replace the filter element Op. 1044B20 Restore the condition of the filter, the pipes and the heater device
	Check the condition and the cleanliness of the fuel filter:	Continue to Step 3	Filter faulty or damaged	Replace the filter Op. 1044B10
3	LOW PRESSURE CHECK	All OK	Problems met	Operation
	Check the fuel supply circuit, low pressure side: if necessary, use the diagnostic equipment (Examiner) to measure the pressure values	Continue to Step 4	Pressure not correct: fuel filter faulty	Replace the fuel filter Op. 1044B10
			Pressure not correct: electric pump faulty	Replace the electric pump Op. 1040A70
			Pressure not correct: low pressure pipes faulty	Replace the low pressure pipes (see Assembly 1060F)
4	HIGH PRESSURE CHECK	All OK	Problems met	Operation
	Check the fuel supply circuit, high pressure side: for example, using the diagnostic equipment (Examiner) to measure the pressure values	Continue to Step 5	Pressure not correct: pressure pump faulty	Replace the pressure pump Op. 1060E10
			Pressure not correct: manifold faulty	Replace the manifold Op. 1060F30
			Pressure not correct: injectors faulty	Replace the injectors Op. 1060F10
			Pressure not correct: high pressure pipes faulty	Replace the high pressure pipes (see Asembly 1060F)
5	CHECKING CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists	Search for the fault starting from another symptom'