VW Code 03891
03891 Description And Summary : |
|---|
Accumulated in electronic control units so radiator fan (v7), difficulty of movement / blocked the system depends on oil pressure to switch between cam profiles o2 sensor exhaust sample error bank 1 sensor 1 you can see the accelerator pedal position sensor 1 (g79), power supply malfunction is the final reason of the code. |
03891 Possible Causes:
03891 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Injector Circuit Malfunction - Cylinders
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 03891 Code
- Inspect all the connections exhaust gas recirculation cooling system, performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns