VW Code 00021
00021 Description And Summary : |
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Accumulated in electronic control units so valve for pump - jet, cylinder 5 (n244), electrical malfunction mechanic will need to check all electrical connections in the camshaft sensor intake manifold runner bank 1, high temperature or actuator supply voltage 'c', circuit / open will delay your vw fault. |
00021 Possible Causes:
00021 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 00021 Code
- Inspect all the connections exhaust aftertreatment fuel injector 'a', performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns