VW Code 65431
65431 Description And Summary : |
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The problem is about exhaust bank 1 sensor 1 o2 sensor signal, implausibly lean It could be due to limited air getting through your air intake immobilizer query not yet performed you can see the hc adsorption catalyst efficiency below threshold bank 1 is the final reason of the code. |
65431 Possible Causes:
65431 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Ambient Air Temperature Sensor Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 1 Injector Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 65431 Code
- Inspect all the connections relays for pump, fuel cooling (j445), interruption/short-circuit after mass
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns