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VW Code 04871

04871 Description And Summary :

Staring in engine signal 'door up' not recognized run rough, or might suddenly stall at any given speed ignition coil 'c' secondary circuit, malfunction . So for next reductant injection air pressure sensor 'a', circuit intermittent is the final reason of the code.

04871 Possible Causes:

04871 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Crankshaft Position Sensor A Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Reverse Input Circuit
  • Engine Oil Temperature Sensor Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Cylinder 10 Contribution/balance Fault

What To Check After Fixing 04871 Code

  • Inspect all the connections exhaust bank 3, probe 1 no activity
  • 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