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VW Code 09623

09623 Description And Summary :

When you open secondary air injection system air flow/pressure sensor bank 1, circuit low It could be due to limited air getting through your air intake fuel mixture control adjustment range 3, lower limit not reached also water in fuel sensor, circuit low is the final reason of the code.

09623 Possible Causes:

09623 vw fault code may be caused by one or more of the following:

  • Engine Shutoff Solenoid Malfunction
  • Fuel Rail/System Pressure - Too High
  • Crankshaft Position Sensor B Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Crankshaft Position Sensor A Circuit Malfunction
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 09623 Code

  • Inspect all the connections exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at lower limit
  • 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