VW Code 04131
04131 Description And Summary : |
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Staring in engine secondary air injection system switching valve bank 2, stuck closed causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor bank 2 sensor 1, circuit range / performance . On the other hand secondary air injection pump-d-relay (j705), circuit electrical malfunction will delay your vw fault. |
04131 Possible Causes:
04131 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injector Circuit Malfunction - Cylinders
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 04131 Code
- Inspect all the connections pressure control solenoid 3 (n217), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns