Engine starts, and cuts out straight away

Make: Fiat
Model: Panda Factory Service Manual
Year: 2003–2012
Section: Starting › Engine starts, and cuts out straight away

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Fault diagnosisEngine starts, and cuts out straight away

ENGINE STARTS, AND CUTS OUT STRAIGHT AWAY

1.1, 1.2 8v

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

1	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
		Results of the tests
	Connect the Examiner diagnostic equipment to the diagnostic socket and check the engine control node for: for errors in the 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	unreliable parameters	Continue according to the instructions for the diagnostic equipment
2	SPARK PLUG CONDITION CHECK	All OK	Problems met	Operation
	Remove the spark plugs and check the condition of the spark plugs and make sure that the gap is correct	Continue to Step 3	Spark plug fault	Replace the spark plugs Op. 5510D10
3	SUPPLY PRESSURE CHECK	All OK	Problems met	Operation
	With the ignition ON and the engine switched off, check the fuel supply pressure. Op. 0510C10 Start up the engine and check that the supply pressure does not decrease	Continue to Step 4	The supply pressure decreases	Replace the fuel pump assembly Op. 1040A70
4	Continue as instructed by the tester	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists: control unit faulty	Replace control unit Op. 1056B82

1.3 JTD 16v

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

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Check, in order: that there is no water, other fluids, dirt or paraffin in the fuel filter that there are no obstructions in the drainage system that there is no intake of air in the low pressure circuit	Continue to Step 1	There is water, other fluids or dirt in the fuel filter	Clean the filter, tank and fuel pipes and replace the filter element
			Obstructions in the drainage system	Replace the damaged system component
			Intake of air in the low pressure circuit	Repair the leak
1	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect the Examiner diagnostic equipment to the diagnostic socket. Recreate the conditions in which the problem occurs and check: for errors in the control unit	Continue to Step 2	Simultaneous presence of errors P1191 and P1197	Continue to Step 5
			Simultaneous presence of errors P1194 and P1197	Continue to Step 5
			Presence of error P1191	Continue to Step 2
			Presence of one of the following errors: P1193, P1195, P1196	Continue to Step 2
			Presence of error P1194	Continue to Step 2
			Presence of other errors	Continue according to the instructions for the diagnostic equipment
2	DIESEL PRESSURE SENSOR CHECK	All OK	Problems met	Operation
	Check the correct operation of the sensor as described in the test See Test 1060GE Check on operation of diesel high pressure sensor	Continue to Step 3	Diesel pressure sensor defective	Replace the pressure sensor
		Continue to Step 3	Faulty wiring	Renew the wiring
3	PRESSURE REGULATOR CHECK	All OK	Problems met	Operation
	With the Examiner diagnostic equipment connected, check, in active diagnosis, that the pressure regulator is working properly	Continue to Step 4	Pressure regulator defective	Replace the regulator
4	HIGH PRESSURE CHECK	All OK	Problems met	Operation
	With the diagnostic equipment connected to the diagnostic socket, check as described in the Test See Test 1060D Check high pressure fuel circuit	Continue to Step 5	Pressure not correct	Continue to Step 3
5	CHECK ON RETURN LOW PRESSURE	All OK	Problems met	Operation
	Check as described in the test See Test 1060A Low return fuel pressure circuit checkthat the pressure in the return pipe to the tank is under 1 bar	Continue to Step 6	Pressure above maximum limit (return pipe to tank blocked)	Repair the pipe; if necessary replace it.
6	LOW SUPPLY PRESSUR CHECK	All OK	Problems met	Operation
	Check as described in the Test See Test 1060B Low fuel pressure supply circuit checkthat the diesel pressure between filter and radial jet pump is between 2 and 3 bar.	Continue to Step 7	Pressure below minimum limit or above maximum limit	Continue to Step 5
7	LOW SUPPLY PRESSUR CHECK	All OK	Problems met	Operation
	Choke the return pipe from the pressure regulating valve and repeat the test See Test 1060B Low fuel pressure supply circuit checkwith the pipe choked, checking that the pressure at the filter outlet is below 2 bar	Continue to Step 8	Pressure rises to 5 bar: pressure regulator in filter casing stuck	Replace the filter assembly
8	LOW SUPPLY PRESSUR CHECK	All OK	Problems met	Operation
	Check that the difference in pressure upstream and downstream of the filter is less than 1 bar	Continue to Step 9	Difference in pressure over 1 bar	Replace the fuel filter cartridge Op. 1044B16
9	LOW SUPPLY PRESSUR CHECK	All OK	Problems met	Operation
	Check that the pressure of the supply pump at the filter inlet is over 2.2 bar	Continue to Step 10	Pressure below 2.2 bar	Continue to Step 8
10	LOW SUPPLY PRESSUR CHECK	All OK	Problems met	Operation
	Measure the difference in pressure between electric pump outlet and filter inlet and check that it is less than 0.3 bar	Continue to Step 11	Difference in pressure over 0.3 bar	Replace the pipe
11	LOW SUPPLY PRESSUR CHECK	All OK	Problems met	Operation
	Check as described in the Test See Test 1040AA Check supply voltage and absorption currentthat the pump's supply voltage is 13V and that the absorbed current is less than or equal to 4.6 amps	Continue to Step 12	Voltage below 12 V	Check wiring, intervention on connection cables See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
		Continue to Step 12	Current greater than 4.6 amps: pump faulty	Replace the fuel pump assembly Op. 1040A70
12	Continue as instructed by the tester	All OK	Problems met	Operation
	Replace the pressure pump and check that the fault is no longer present	End of diagnosis	Fault persists: control unit faulty	Replace engine management control unit Op. 1060G80

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