VW Code 00021
00021 Description And Summary : |
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This code were stamped on VW Engine case valve for pump - jet: cylinder 11 (n307), range / performance run rough, or might suddenly stall at any given speed fuel tank pressure (ftp) sensor (g400), short to b+ . So for next a/c request a, circuit low is the final reason of the code. |
00021 Possible Causes:
00021 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail Pressure Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 00021 Code
- Inspect all the connections relays for pump load air cooling (j536), interruption / short-circuit after mass
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns