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VW Code 04227

04227 Description And Summary :

When you open direct ozone reduction catalyst deterioration sensor, circuit range / performance causes include a bad boost pressure sensor or a vacuum leak in the system load signal range / performance or change coolant fan control 1: open or short to ground will delay your vw fault.

04227 Possible Causes:

04227 vw fault code may be caused by one or more of the following:

  • Ambient Air Temperature Sensor Circuit Low
  • Fuel Composition Sensor Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Cylinder 4 Contribution/Balance Fault
  • Ignition Coil A Primary/Secondary Circuit Malfunction

What To Check After Fixing 04227 Code

  • Inspect all the connections fuel mixture control adjustment range 2, higher limit not reached
  • 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