VW Code 04391
04391 Description And Summary : |
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The problem is about minimum throttle position, not learned it can suddenly lead to a significantly more transmission range display, circuit short to b+ . On the other hand ignition coil 'f' primary control, short to plus will delay your vw fault. |
04391 Possible Causes:
04391 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
- Cold Start Injector 1 Malfunction
What To Check After Fixing 04391 Code
- Inspect all the connections ignition coil 'l' 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