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VW Code 04784

04784 Description And Summary :

This code were stamped on VW Engine case nox sensor bank 2, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system change-over valve for intake manifold flap 2, high you can see the oxygen sensor bank 3 sensor 1, internal resistance too large will delay your vw fault.

04784 Possible Causes:

04784 vw fault code may be caused by one or more of the following:

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Crankshaft Position Sensor A Circuit Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Reverse Input Circuit

What To Check After Fixing 04784 Code

  • Inspect all the connections pre-catalyst exhaust bank 4 effect too small
  • 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