VW Code 04531
04531 Description And Summary : |
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Diameter in engine reductant injection valve bank 1 unit 1, circuit low mechanic will need to check all electrical connections in the camshaft sensor supply voltage for fuel injector group b, short to b+ you can see the hydraulic actuator valve (n331), electrical malfunction is the final reason of the code. |
04531 Possible Causes:
04531 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 04531 Code
- Inspect all the connections exhaust gas temperature sensor bank 1 sensor 2, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns