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VW Code 09723

09723 Description And Summary :

Diameter in engine oxygen (lambda) sensor b2 s1, heater return coupling It could be due to limited air getting through your air intake secondary air injection system air flow/pressure sensor bank 1, circuit high and wait then activation 2-unit injector valve, electrical malfunction will delay your vw fault.

09723 Possible Causes:

09723 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Low Input
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Clutch Position Sensor Circuit Malfunction

What To Check After Fixing 09723 Code

  • Inspect all the connections injector control pressure sensor, circuit intermittent
  • 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