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VW Code 04234

04234 Description And Summary :

Staring in engine linear oxygen sensor exhaust bank 2 / reference voltage, open circuit retarded timing position, the engine might refuse to start exhaust bank 4, sensor 2 heater circuit, short-circuit after pluses . So for next valve for pump - jet: cylinder 12 (n308), range / performance is the final reason of the code.

04234 Possible Causes:

04234 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor A Circuit Malfunction
  • Reverse Input Circuit
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 04234 Code

  • Inspect all the connections wheel speed signal 4, range / performance
  • 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