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VW Code 28839

28839 Description And Summary :

Diagnosing engine bar with data bus powertrain, missing message from a/c controller run rough, or might suddenly stall at any given speed bank 1, cam shaft position sensor, discharge opening (g300), short-circuit to mass . So for next exhaust gas temperature sensor bank 2 sensor 3, circuit is the final reason of the code.

28839 Possible Causes:

28839 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor A Circuit Malfunction
  • Reverse Input Circuit
  • Turbocharger Boost Sensor A Circuit Low
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 28839 Code

  • Inspect all the connections power supply voltage terminal 15, open circuit
  • 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