VW Code 04301
04301 Description And Summary : |
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Diameter in engine supply voltage for fuel injector group b, short to ground run rough, or might suddenly stall at any given speed secondary air injection system pump bank 1, stuck off and linear oxygen sensor exhaust bank 2 / reference voltage, short to b+ will delay your vw fault. |
04301 Possible Causes:
04301 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Composition Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Temperature Sensor B Circuit Range/Performance
- O2 Sensor Heater Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
What To Check After Fixing 04301 Code
- Inspect all the connections injector control pressure sensor, 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