199002954 - D003 ENGINE NOT RUNNING SMOOTHLY / (IRREGULAR OPERATION)

The customer complains that: The engine is not running smoothly

		Test results
0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
	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    See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECKCheck the condition of the fuel supply circuit and make sure that it is working properly    See Test 1040OA FUEL SUPPLY CIRCUIT CHECKCheck the operation of the low pressure supply circuit    See Test 1060OB LOW FUEL DELIVERY PRESSURE CIRCUIT CHECKCheck the fastening of the battery earth terminal	Move on to Step 1	Oil level incorrectBattery earth terminal insecure	Restore the correct engine oil level    Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY Restore the correct earth lead fastening    See E1020 EARTHS
1	MODE 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· Engine coolant temperature    See Test 1060OE ENGINE COOLANT TEMPERATURE SENSOR OPERATION CHECK· Diesel temperature    See Test 1060EA DIESEL TEMPERATURE CHECK· Measured air mass    See Test 1060GG CHECK MEASURED AIR MASS· Engine rpm    See Test 1060GI CHECK ENGINE SPEEDReach a constant speed of around 30 km/h and check that the reading on the diagnostic equipment for the vehicle speed coincides more or less with the speed shown on the instrument panel	Move on to Step 4	The vehicle speed is not measured correctly	Move on to Step 2
2	ABS CHECKS	All OK	Problems encountered	Operation
	Select the following control unit at the diagnostic equipment: Bosch 8 ABS control unit ESP (EP).Check that the system is working properly    See Test 3340AB SPEED SIGNAL CHECK	Move on to Step 3
3	SOFTWARE VERSION CHECK	All OK	Problems encountered	Operation
	Check the software version of the Diesel electronic injection control unit EDC16C39 CF4/EOBD CAN (EP engine 1.9)    See Test 1060GJ CHECK ENGINE CONTROL UNIT SOFTWARE RELEASE	Move on to Step 4
4	CLIMATE CONTROL SYSTEM CHECKS	All OK	Problems encountered	Operation
	Select the following control unit at the diagnostic equipment: Diesel electronic injection control unit EDC16C39 CF4/EOBD CAN (EP engine 1.9)Check that the system is working properly    See Test 5040OB AIR CONDITIONING SYSTEM OPERATION CHECK (PRESSURE)	Move on to Step 5
5	PREHEATING RELAY ACTIVE DIAGNOSIS	All OK	Problems encountered	Operation
	Carry out the active diagnosis for 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.	Move on to Step 7	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	Move on to Step 7
7	ELECTRICAL EQUIPMENT 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 8	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.
8	DIESEL PREHEATING RELAY CHECK	All OK	Problems encountered	Operation
	Check the diesel preheating relay circuitSee Test 5505AC	End of diagnosis