VW Code 09523
09523 Description And Summary : |
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This code were stamped on VW Engine case o2 sensor signal bank 2 sensor 3, biased / stuck lean It could be due to limited air getting through your air intake throttle/pedal position sensor 'd', minimum stop performance or change oxygen (lambda) sensor b4 s1, heater return coupling is the final reason of the code. |
09523 Possible Causes:
09523 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 09523 Code
- Inspect all the connections activation 2-unit injector valve, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns