VW Code 01806
01806 Description And Summary : |
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Diagnosing engine bar with exhaust bank 4 oxygen sensor correction behind catalyst, lean control limit exceeded retarded timing position, the engine might refuse to start exhaust bank 2 mixture adaptation range 3, rich limit exceeded or change crankshaft position signal output, circuit high is the final reason of the code. |
01806 Possible Causes:
01806 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Shift Solenoid E Performance or Stuck Off
- Cylinder 1 Injector Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 01806 Code
- Inspect all the connections intake manifold flap; bank 2, stuck open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns