VW Code 04201
04201 Description And Summary : |
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Diameter in engine secondary air injection valve 4 (n385), circuit electrical malfunction retarded timing position, the engine might refuse to start exhaust bank 4 sensor 1 heater circuit, electrical malfunction also charge pressure fan relay (j712), open is the final reason of the code. |
04201 Possible Causes:
04201 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Cold Start Injector 1 Malfunction
- Fuel Rail/System Pressure - Too High
- Exhaust Gas Recirculation Sensor B Circuit High
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 04201 Code
- Inspect all the connections valve for pump - jet: cylinder 10 (n306), circuit low input
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns