VW Code 04221
04221 Description And Summary : |
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Diagnosing engine bar with motor for intake manifold flap (v157), no signal the system depends on oil pressure to switch between cam profiles fuel injection valve 2 (n367), open circuit . So for next data-bus powertrain, implausible message from transmission controller will delay your vw fault. |
04221 Possible Causes:
04221 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 10 Contribution/balance Fault
- Shift Solenoid E Performance or Stuck Off
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
What To Check After Fixing 04221 Code
- Inspect all the connections water in fuel sensor, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns