323001847 - D013 THE ENGINE ACCELERATES WITHOUT PRESSING THE ACCELERATOR PEDAL

The customer complains that: The engine accelerates on itw own without operating the accelerator pedal
Test results
0ACCELERATOR SIGNAL CHECKAll OKProblems encounteredOperation
- Check that the accelerator pedal is correctly positioned- Connect an Examiner to the engine management control unit and check the accelerator pedal sensor is working properly- Check the continuity/insulation of the wiring between the engine management control unit and the accelerator pedal.    See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT Move on to Step 1.1. Accelerator pedal incorrectly positioned.2. Accelerator pedal defective.3. Wiring between the engine management control unit and the accelerator pedal defective.1. Position the accelerator pedal correctly2. Replace the accelerator pedal.    Op. 1068A20 ACCELERATOR PEDAL WITH BUILT-IN POTENTIOMETER - R.R 3. Restore correct wiring.
1ENGINE CONTROL UNIT OPERATION CHECKAll OKProblems encounteredOperation
Check that the engine control unit is working properly.End of diagnosis.Engine management control unit faulty with amount of fuel injected too high or not controlled.Replace the engine management control unit.    Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R