VW Code 04573
04573 Description And Summary : |
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The instrument cluster alerts the driver to the fault nox sensor bank 1, circuit low It could be due to limited air getting through your air intake ignition coil cylinder 14, open circuit . So for next accelerator position sensor (g79), signal too high is the final reason of the code. |
04573 Possible Causes:
04573 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 04573 Code
- Inspect all the connections reductant injection air pressure sensor 'a', circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns