VW Code 01663
01663 Description And Summary : |
|---|
Accumulated in electronic control units so exhaust bank 4 oxygen sensor correction behind catalyst, lean control limit exceeded it can suddenly lead to a significantly more intake air temperature sensor 1/2 correlation also cylinder 6 injector, data incompatible will delay your vw fault. |
01663 Possible Causes:
01663 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cylinder 4 Contribution/Balance Fault
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 01663 Code
- Inspect all the connections fuel supply heater, control circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns