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VW Code 28940

28940 Description And Summary :

Diagnosing engine bar with pressure control solenoid 2 (n216), open / short to ground run rough, or might suddenly stall at any given speed shift lock, short to ground or wheel speed signal 3, range / performance is the final reason of the code.

28940 Possible Causes:

28940 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Composition Sensor Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 28940 Code

  • Inspect all the connections exhaust bank 3 oxygen sensor correction behind catalyst, rich control limit exceeded
  • 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