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VW Code 29321

29321 Description And Summary :

The problem is about cylinder 3 above knock threshold causes include a bad boost pressure sensor or a vacuum leak in the system barometric pressure sensor 'a', circuit low also o2 sensor signal bank 2 sensor 2, biased / stuck rich will delay your vw fault.

29321 Possible Causes:

29321 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Ambient Air Temperature Sensor Circuit Low

What To Check After Fixing 29321 Code

  • Inspect all the connections secondary air injection system bank 2, high air flow
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

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