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VW Code 04966

04966 Description And Summary :

Staring in engine exhaust bank 4, sensor 2, internal resistance too largely run rough, or might suddenly stall at any given speed generator shut-off, open or short to ground or transmission control unit relay, malfunction will delay your vw fault.

04966 Possible Causes:

04966 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 04966 Code

  • Inspect all the connections actuator supply voltage 'c', circuit / open
  • 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