939003576 - D016 POOR ENGINE RESPONSE

The customer complains of: Poor engine response
Results of the tests
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
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 1048OA AIR INTAKE/VACUUM CIRCUIT CHECKCheck the operation of the low pressure supply circuit    See Test 1060OB CHECK ON SUPPLY LOW PRESSURE FUEL CIRCUITMove on to Step 1Oil level incorrectRestore the correct engine oil level    Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY
1AMBIENT PARAMETERS CHECKAll OKProblems encounteredOperation
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 CHECK. Atmospheric pressure    See Test 1060GD ATMOSPHERIC PRESSURE CHECK. Supercharging pressure Objective. Supercharging pressure Measured    See Test 1060GF SUPERCHARGING PRESSURE CHECK. Measured air mass    See Test 1060GG MEASURED AIR MASS 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 CHECK ON OPERATION OF COOLANT TEMPERATURE SENSOR. Diesel temperature    See Test 1060EA DIESEL FUEL TEMPERATURE CHECK. Objective Diesel pressure. Measured Diesel pressure    See Test 1060GH DIESEL FUEL PRESSURE CHECK. Engine rpm    See Test 1060GI ENGINE SPEED CHECKMove on to Step 2
2ELECTRICAL EQUIPMENT CHECKAll OKProblems encounteredOperation
Check that fuse F1 has not blown (it is the last one at the bottom of the veritical row)
The check on the following system is only necessary if the outside temperature is below 0 °C.
End of diagnosisFuse F1 has blownRestore the connections or, if necessary, replace the junction unit in the engine compartment    Op. 5505A13 ADDITIONAL JUNCTION UNIT IN ENGINE COMPARTMENT - R.R.