VW Code 01321
01321 Description And Summary : |
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Diameter in engine secondary air injection pump-d-relay (j705), circuit open circuit It could be due to limited air getting through your air intake angle sensors 1 for butterfly valve drive 2 (g297), signal too small also ignition coil 'a' primary control, short to plus is the final reason of the code. |
01321 Possible Causes:
01321 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ambient Air Temperature Sensor Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 01321 Code
- Inspect all the connections exhaust bank 3, probe 2 signal too slowly
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns