939003575 - D015 POOR CHANGE IN ENGINE SPEED ON PRESSING ACCELERATOR PEDAL

The customer complains of: Reduced adjustment speed

		Results of the tests
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 by carrying out the    See Test 1060OB CHECK ON SUPPLY LOW PRESSURE FUEL CIRCUIT	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: EDC16C39 Diesel electronic injection control unit.Check the value of the following parameters:Battery voltage    See Test 5530BB BATTERY VOLTAGE CHECKAccelerator pedalAccelerator position 1 AD/CAccelerator position 2 AD/C    See Test 1068AC ACCELERATOR PEDAL CHECKSMeasured air mass    See Test 1060GG MEASURED AIR MASS CHECKAir temperature in the intake manifold    See Test 1064BD SUPERCHARGING TEMPERATURE CHECKEngine coolant temperature    See Test 1060OE CHECK ON OPERATION OF COOLANT TEMPERATURE SENSORDiesel temperature    See Test 1060EA DIESEL FUEL TEMPERATURE CHECKObjective Diesel pressureMeasured Diesel pressure    See Test 1060GH DIESEL FUEL PRESSURE CHECKEngine rpm    See Test 1060GI ENGINE SPEED CHECK	End of diagnosis