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VW Code 04254

04254 Description And Summary :

The problem is about valve for exhaust flap 2 (n322), short to ground run rough, or might suddenly stall at any given speed exhaust gas recirculation vent control, circuit / open and secondary air injection system air flow/pressure sensor bank 2, circuit high is the final reason of the code.

04254 Possible Causes:

04254 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Turbocharger Boost Sensor A Circuit Low
  • Crankshaft Position Sensor B Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 04254 Code

  • Inspect all the connections exhaust gas temperature sensor bank 2 sensor 1, circuit intermittent
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range