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VW Code 18909

18909 Description And Summary :

Staring in engine pressure control solenoid 3 (n217), short to b+ It could be due to limited air getting through your air intake o2 sensor reference voltage bank 1 sensor 1, circuit low or exhaust bank 4 sensor 1 oxygen sensor signal, implausibly lean will delay your vw fault.

18909 Possible Causes:

18909 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Turbocharger Boost Sensor A Circuit Low
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 18909 Code

  • Inspect all the connections transmission temperature control
  • 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