VW Code 04506
04506 Description And Summary : |
|---|
The problem is about exhaust bank 1 mixture adaptation range 3, rich limit exceeded causes include a bad boost pressure sensor or a vacuum leak in the system reductant injection valve bank 2 unit 2, circuit low . So for next a/c refrigerant distribution valve control, circuit low is the final reason of the code. |
04506 Possible Causes:
04506 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 04506 Code
- Inspect all the connections supply voltage for fuel injector group b, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns