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VW Code 28985

28985 Description And Summary :

The problem is about nox sensor heater sense bank 1, circuit low retarded timing position, the engine might refuse to start data bus powertrain, missing message for central electric controller also air flow restriction / air leak between air filter and maf will delay your vw fault.

28985 Possible Causes:

28985 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Engine Shutoff Solenoid Malfunction
  • Cylinder 1 Injector Circuit Low
  • Injector Circuit Malfunction - Cylinders

What To Check After Fixing 28985 Code

  • Inspect all the connections cylinder 6 above knock threshold
  • 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