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VW Code 03927

03927 Description And Summary :

When you open injection pump, timing calibration not learned it can suddenly lead to a significantly more vehicle speed signal wheel speed from brake control module; range / performance or change nox sensor bank 1, circuit range / performance is the final reason of the code.

03927 Possible Causes:

03927 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Rail/System Pressure - Too High
  • Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 03927 Code

  • Inspect all the connections valve for exhaust flap 2 (n322), open circuit
  • 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