VW Code 01666
01666 Description And Summary : |
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Accumulated in electronic control units so evaporative emissions (evap) fuel vapour temperature sensor, circuit low voltage run rough, or might suddenly stall at any given speed ignition coil cylinder 13, open circuit . On the other hand injector cylinder 14 (n392), open circuit is the final reason of the code. |
01666 Possible Causes:
01666 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 01666 Code
- Inspect all the connections reductant temperature sensor, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns