Engine not feeling accelerator pedal pressure

Make: Fiat
Model: Grande Punto Factory Service Manual
Year: 2005–2012
Section: Engine › Engine not feeling accelerator pedal pressure

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Fault diagnosisEngine not feeling accelerator pedal pressure

ENGINE NOT FEELING ACCELERATOR PEDAL PRESSURE

1.9 Multijet

The customer complains of: The engine does not react when the accelerator pedal is operated

0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
		Test results
	Check that the engine oil level is correct Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY Check that the air intake/vacuum circuit is working properly by carrying out the See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECK Check the condition of the fuel supply circuit and make sure that it is working properly See Test 1040OA FUEL SUPPLY CIRCUIT CHECK Check the operation of the low pressure supply circuit See Test 1060OB LOW FUEL DELIVERY PRESSURE CIRCUIT CHECK	Move on to Step 1	Oil level incorrect	Restore the correct engine oil level Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY
1	AMBIENT PARAMETERS CHECK	All OK	Problems encountered	Operation
	Select the following control unit at the diagnostic equipment: Electronic injection control unit EDC16C39 CF4/EOBD CAN (EP engine 1.9). Check the value of the following parameters: . Battery voltage See Test 5530BB BATTERY VOLTAGE CHECK . Accelerator pedal . Accelerator position 1 AD/C . Accelerator position 2 AD/C See Test 1068AC ACCELERATOR PEDAL CHECKS - Target Diesel pressure - Measured Diesel pressure See Test 1060GH DIESEL PRESSURE CHECK	Move on to Step 2
2	ELECTRICAL SYSTEM CHECK	All OK	Problems encountered	Operation
	Check that fuse F59 has not blown (second from the left on the second row from the bottom)	Move on to Step 4	Fuse F59 has blown	Restore the connections or, if necessary, replace the junction unit in the engine compartment Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R.
3	DIESEL PREHEATING RELAY CHECK	All OK	Problems encountered	Operation
	Check the diesel preheating relay circuit See Test 5505AC	End of diagnosis

1.3 Multijet

The customer complains of: The engine does not react when the accelerator pedal is operated

		Test results
1	AMBIENT PARAMETERS CHECK	All OK	Problems encountered	Operation
	Select the following control unit at the diagnostic equipment: Marelli Diesel Injection 6F3 EOBD CAN (EP engine 1.3 JTD). Check the value of the following parameters: - Accelerator position 1 AD/C - Accelerator position 2 AD/C Op. 1068AC ACCELERATOR PEDAL CHECKS	End of diagnosis

Test results

AMBIENT PARAMETERS CHECK

All OK

Problems encountered

Operation

Select the following control unit at the diagnostic equipment: Marelli Diesel Injection 6F3 EOBD CAN (EP engine 1.3 JTD).

Check the value of the following parameters:

- Accelerator position 1 AD/C

- Accelerator position 2 AD/C

Op. 1068AC ACCELERATOR PEDAL CHECKS

End of diagnosis

‹ Prev Engine does not produce best performance Next › Engine idle irregular

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