323001565 - D009 ENGINE NOT FEELING ACCELERATOR PEDAL PRESSURE

The customer complains that: The engine does not react when the accelerator pedal is operated
Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Connect the Examiner diagnostic equipment to the engine management control unit and check for the presence of errors.Check that the air intake/vacuum circuit is working properlyMove on to Step 1Presence of errorsContinue following the instructions given by the diagnostic equipment.
Incorrect operation of the air circuitRestore the correct operation of the air circuit.
1FUEL CIRCUIT CHECKAll OKProblems encounteredOperation
Check that the fuel pressure value is correct by carrying out the    See Test 1056BI FUEL SYSTEM RETURN PRESSURE CHECK    See Test 1056BY FUEL SYSTEM SUPPLY PRESSURE CHECKMove on to Step 2Fuel pump defectiveReplace petrol pump    Op. 1040A70 SUBMERGED PUMP ASSEMBLY COMPLETE WITH LEVEL GAUGE CONTROL - R + R
Pipes obstructedReplace the pipes
2ACCELERATOR PEDAL CHECKAll OKProblems encounteredOperation
Using the Examiner, check the correct voltage values of the accelerator pedal potentiometers.End of diagnosisAccelerator pedal potentiometer defectiveReplace the accelerator pedal    Op. 1068A20 ACCELERATOR PEDAL WITH BUILT-IN POTENTIOMETER - R.R
Potentiometer wiring defectiveRestore correct wiring.