VW Code 12166
12166 Description And Summary : |
|---|
Staring in engine fuel rail sensor (g401), short to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so reductant injection valve bank 2 unit 1, circuit high and barometric pressure sensor 'a', circuit low is the final reason of the code. |
12166 Possible Causes:
12166 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Engine Oil Temperature Sensor Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
- Shift Solenoid E Performance or Stuck Off
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 12166 Code
- Inspect all the connections wheel speed signal 3, range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns