VW Code 05391
05391 Description And Summary : |
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Accumulated in electronic control units so data-bus powertrain, hardware defective mechanic will need to check all electrical connections in the camshaft sensor o2 sensor out of range during deceleration bank 1 sensor 1 or sensor 3 for intake air temperature (g520), signal high is the final reason of the code. |
05391 Possible Causes:
05391 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Composition Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 05391 Code
- Inspect all the connections exhaust bank 4 main catalyst, effectiveness too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns