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VW Code 04479

04479 Description And Summary :

This code were stamped on VW Engine case transmission mount valve 1 (n262), open circuit it can suddenly lead to a significantly more turbo/super charger over-boost condition . So for next exhaust bank 4 sensor 1, voltage too low or air leak is the final reason of the code.

04479 Possible Causes:

04479 vw fault code may be caused by one or more of the following:

  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ambient Air Temperature Sensor Circuit Low
  • Shift Solenoid E Performance or Stuck Off
  • Cylinder 4 Contribution/Balance Fault
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Crankshaft Position Sensor A Circuit Low Input

What To Check After Fixing 04479 Code

  • Inspect all the connections throttle/pedal position sensor 'd', maximum stop 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