VW Code 04978
04978 Description And Summary : |
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This code were stamped on VW Engine case throttle/pedal position sensor 'f', minimum stop performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so fuel tank pressure (ftp) sensor (g400), short to ground also ignition coil 'j' secondary circuit, malfunction is the final reason of the code. |
04978 Possible Causes:
04978 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- O2 Sensor Heater Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Reverse Input Circuit
What To Check After Fixing 04978 Code
- Inspect all the connections fuel injection valve 1 (n366), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns