VW Code 04678
04678 Description And Summary : |
|---|
Diameter in engine oxygen (lambda) sensor b2 s3, signal shorted to heater circuit mechanic will need to check all electrical connections in the camshaft sensor control module defective . So for next o2 sensor negative current control bank 1 sensor 1, circuit / open will delay your vw fault. |
04678 Possible Causes:
04678 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 04678 Code
- Inspect all the connections transmission mount valve 2 (n263), 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