VW Code 04571
04571 Description And Summary : |
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Staring in engine exhaust aftertreatment fuel injector 'a', circuit low causes include a bad boost pressure sensor or a vacuum leak in the system interference in mechatronic module also nox sensor bank 1, circuit low is the final reason of the code. |
04571 Possible Causes:
04571 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail/System Pressure - Too High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
What To Check After Fixing 04571 Code
- Inspect all the connections ignition coil 'i' secondary circuit, malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns