VW Code 04663
04663 Description And Summary : |
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Staring in engine secondary air injection system air flow/pressure sensor bank 1, circuit retarded timing position, the engine might refuse to start powertrain data bus, missing message from abs controller and wait then evaporative emissions (evap) fuel vapour temperature sensor, circuit high voltage is the final reason of the code. |
04663 Possible Causes:
04663 vw fault code may be caused by one or more of the following:
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Clutch Position Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 04663 Code
- Inspect all the connections oxygen (lambda) sensor b2 s1, pump current, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns