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VW Code 18389

18389 Description And Summary :

Diagnosing engine bar with potentiometer 2 for egr (g466), signal too low causes include a bad boost pressure sensor or a vacuum leak in the system water in fuel sensor, circuit low or ecm/pcm power input, signal high is the final reason of the code.

18389 Possible Causes:

18389 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 18389 Code

  • Inspect all the connections throttle/pedal position sensor 'd', maximum stop performance
  • 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