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VW Code 18027

18027 Description And Summary :

Staring in engine o2 sensor reference voltage bank 1 sensor 1, performance run rough, or might suddenly stall at any given speed nox sensor heater control bank 2, circuit high or exhaust gas temperature sensor, bank 1 sensor 5, circuit high is the final reason of the code.

18027 Possible Causes:

18027 vw fault code may be caused by one or more of the following:

  • Shift Solenoid E Performance or Stuck Off
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Injector Circuit Malfunction - Cylinders
  • Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 18027 Code

  • Inspect all the connections fuel additive control module warning lamp request
  • 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