VW Code 29871
29871 Description And Summary : |
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Accumulated in electronic control units so coolant degassing valve, control circuit high It could be due to limited air getting through your air intake turbo/super charger wastegate solenoid d (n389), signal high or intake air heater "a", circuit low is the final reason of the code. |
29871 Possible Causes:
29871 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Engine Shutoff Solenoid Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Reverse Input Circuit
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 29871 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 1, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns