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VW Code 04723

04723 Description And Summary :

The problem is about linear oxygen sensor exhaust bank 3 / common ground wire, short to ground causes include a bad boost pressure sensor or a vacuum leak in the system evaporative emission system switching valve control, circuit / open you can see the exhaust gas temperature sensor bank 2 sensor 3, circuit low is the final reason of the code.

04723 Possible Causes:

04723 vw fault code may be caused by one or more of the following:

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Shift Solenoid E Performance or Stuck Off
  • Engine Shutoff Solenoid Malfunction
  • Reverse Input Circuit
  • Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 04723 Code

  • Inspect all the connections o2 sensor reference voltage bank 1 sensor 1, circuit / 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