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VW Code 28198

28198 Description And Summary :

The instrument cluster alerts the driver to the fault nox sensor bank 1, circuit low run rough, or might suddenly stall at any given speed cylinder 9 above knock threshold or radiator exhaust control 2, short-circuit after pluses will delay your vw fault.

28198 Possible Causes:

28198 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Ambient Air Temperature Sensor Circuit Low
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Fuel Rail/System Pressure - Too High
  • Reverse Input Circuit

What To Check After Fixing 28198 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 4 / reference voltage, short to b+
  • 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