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VW Code 18690

18690 Description And Summary :

Diagnosing engine bar with fuel pump, electronics faulty to change the oil filter and use the recommended engine oil to avoid any problems in the future so nox sensor heater sense bank 2, circuit low or throttle/pedal position sensor / switch 'd' / 'f', voltage correlation is the final reason of the code.

18690 Possible Causes:

18690 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Clutch Position Sensor Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 18690 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 2 / 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