199002955 - D004 ENGINE NOT RUNNING SMOOTHLY

The customer complains that: Irregular engine operation, missing that can be reproduced

		Test results
1	MODE 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:- Battery voltage    See Test 5530BB BATTERY VOLTAGE CHECK- Clutch pedal    See Test 1060GL CHECK OPERATION OF MAIN ENGINE CONTROL UNIT RELAY- Accelerator position 1 AD/C- Accelerator position 2 AD/C    See Test 1068AC ACCELERATOR PEDAL CHECKS	Move on to Step 2
2	POWER SUPPLY CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check the condition of the fuel supply circuit and make sure that it is working properly    See Test 1040OA FUEL SUPPLY CIRCUIT CHECK	Move on to Step 3
3	MODE 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:- Measured Diesel pressure    See Test 1060GH DIESEL PRESSURE CHECK- Pressure regulator opening (MPROP)    See Test 1060GR CHECK OPERATION OF FUEL PRESSURE SENSOR ON RAIL- Air temperature (debimeter)    See Test 1060GK CHECK CONTROL UNIT SOFTWARE AND HARDWARE- Diesel temperature    See Test 1060EA DIESEL TEMPERATURE CHECK- Coolant temperature    See Test 1060OE ENGINE COOLANT TEMPERATURE SENSOR OPERATION CHECK. Atmospheric pressure    See Test 1060GD ATMOSPHERIC PRESSURE CHECK	Move on to Step 4
4	INTAKE CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check that the air intake/vacuum circuit is working properly    See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECK	Move on to Step 5
5	PREHEATING RELAY ACTIVE DIAGNOSIS	All OK	Problems encountered	Operation
	Carry out the active diagnosis of the preheating relay, checking that the result is positive The check on the following system is only necessary if the outside temperature is below 0 °C.	End of diagnosis	The result of the active diagnosis is negative	Move on to Step 6
6	GLOW HEATER PLUGS CHECK	All OK	Problems encountered	Operation
	Check that the glow heater plugs are working properly    See Test 5520CA CHECK GLOW PLUG OPERATION	End of diagnosis