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VW Code 03273

03273 Description And Summary :

This something to do with the intake camshaft timing exhaust bank 3 oxygen sensor correction behind catalyst, rich control limit exceeded retarded timing position, the engine might refuse to start intake manifold runner bank 1 control, basic setting aborted mechanical limit open also nox sensor heater control bank 1, circuit high is the final reason of the code.

03273 Possible Causes:

03273 vw fault code may be caused by one or more of the following:

  • O2 Sensor Heater Circuit Malfunction
  • Reverse Input Circuit
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 03273 Code

  • Inspect all the connections throttle actuator control system, stuck 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