VW Code 07657
07657 Description And Summary : |
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Diagnosing engine bar with ignition switch accessory position, circuit retarded timing position, the engine might refuse to start data-bus powertrain, missing message from engine controller (ecu) also accelerator pedal position sensor 1 (g79), signal too low is the final reason of the code. |
07657 Possible Causes:
07657 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Composition Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 07657 Code
- Inspect all the connections valve for pump - jet, cylinder 5 (n244), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns