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VW Code 03881

03881 Description And Summary :

Accumulated in electronic control units so accelerator position sensor (g79), signal too high causes include a bad boost pressure sensor or a vacuum leak in the system ignition coil 'k' secondary circuit, malfunction . On the other hand a/c refrigerant pressure sensor 'b', circuit range / performance will delay your vw fault.

03881 Possible Causes:

03881 vw fault code may be caused by one or more of the following:

  • Turbocharger Boost Sensor A Circuit Low
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Cylinder 4 Contribution/Balance Fault
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Reverse Input Circuit
  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 03881 Code

  • Inspect all the connections valve for exhaust flap 1 (n321), short to ground
  • 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