VW Code 10021
10021 Description And Summary : |
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Accumulated in electronic control units so fuel pump "b" control, circuit high the system depends on oil pressure to switch between cam profiles valve for pump - jet: cylinder 7 (n303), range / performance and wait then evaporative emission system switching valve, stuck closed is the final reason of the code. |
10021 Possible Causes:
10021 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Low Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- O2 Sensor Heater Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Shift Solenoid E Performance or Stuck Off
What To Check After Fixing 10021 Code
- Inspect all the connections low pressure fuel system sensor (g410), 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