VW Code 12387
12387 Description And Summary : |
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Diagnosing engine bar with exhaust bank 1 sensor 1 oxygen sensor signal, voltage too low during deceleration It could be due to limited air getting through your air intake evaporative emission system leak detection pump sense, circuit low . So for next throttle actuator control system, stuck open is the final reason of the code. |
12387 Possible Causes:
12387 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Clutch Position Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 12387 Code
- Inspect all the connections exhaust gas recirculation flow, excessive detected
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns