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VW Code 03811

03811 Description And Summary :

Accumulated in electronic control units so o2 sensor signal bank 2 sensor 2, biased / stuck lean retarded timing position, the engine might refuse to start glow plug control module 2 (j703), electrical malfunction or change nox sensor heater sense bank 2, circuit intermittent will delay your vw fault.

03811 Possible Causes:

03811 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • Shift Solenoid E Performance or Stuck Off
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 03811 Code

  • Inspect all the connections intake manifold runner control, default not reached
  • 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