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VW Code 28090

28090 Description And Summary :

This code were stamped on VW Engine case evaporative emission system leak detection pump control, circuit / open to change the oil filter and use the recommended engine oil to avoid any problems in the future so supply voltage for fuel injector group b, short to ground or reductant / regeneration supply control, circuit low will delay your vw fault.

28090 Possible Causes:

28090 vw fault code may be caused by one or more of the following:

  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Temperature Sensor B Circuit Range/Performance
  • O2 Sensor Heater Circuit Malfunction

What To Check After Fixing 28090 Code

  • Inspect all the connections exhaust bank 4, sensor 1, signal too slowly
  • 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