VW Code 04065
04065 Description And Summary : |
|---|
Diameter in engine hc adsorption catalyst efficiency below threshold bank 1 It could be due to limited air getting through your air intake o2 sensor signal bank 2 sensor 2, biased / stuck lean you can see the oxygen sensor b1 s1: heating circuit regulation at upper limit, lower limit exceeded is the final reason of the code. |
04065 Possible Causes:
04065 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Shift Solenoid E Performance or Stuck Off
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 04065 Code
- Inspect all the connections ignition coil 'b' primary control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns