199002641 - S003 ENGINE KNOCKING

The customer complains of: Irregular combustion noise, engine knock

		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 by carrying out the    See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECKCheck the condition of the fuel supply circuit and make sure that it is working properly carrying out the    See Test 1040OA FUEL SUPPLY CIRCUIT CHECKCheck the operation of the low pressure supply circuit by carrying out the    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: Diesel 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. Atmospheric pressure    See Test 1060GD ATMOSPHERIC PRESSURE CHECK. Supercharging pressure Target. Supercharging pressure Measured    See Test 1060GF SUPERCHARGING PRESSURE CHECK. Measured air mass    See Test 1060GG CHECK MEASURED AIR MASS. Engine coolant temperature    See Test 1060OE ENGINE COOLANT TEMPERATURE SENSOR OPERATION CHECK. Diesel temperature    See Test 1060EA DIESEL TEMPERATURE CHECK. Objective Diesel pressure. Measured Diesel pressure    See Test 1060GH DIESEL PRESSURE CHECK. Engine rpm    See Test 1060GI CHECK ENGINE SPEED	Move on to Step 2
2	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.	End of diagnosis	The result of the active diagnosis is negative	Move on to Step 3
3	HEATER PLUGS CHECK	All OK	Problems encountered	Operation
	Check that the heater plugs are working properly    See Test 5520CA CHECK GLOW PLUG OPERATION	End of diagnosis