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VW Code 16631

16631 Description And Summary :

Diagnosing engine bar with relays for electrical fuel pump 2 (j49), short-circuit after pluses run rough, or might suddenly stall at any given speed load signal range / performance also linear oxygen sensor exhaust bank 2, compensation wire pump current, open circuit is the final reason of the code.

16631 Possible Causes:

16631 vw fault code may be caused by one or more of the following:

  • Clutch Position Sensor Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Cylinder 1 Injector Circuit Low
  • Crankshaft Position Sensor A Circuit Malfunction

What To Check After Fixing 16631 Code

  • Inspect all the connections throttle/pedal position sensor / switch 'd', circuit range / 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