VW Code 09503
09503 Description And Summary : |
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When you open secondary air injection pump-d-relay (j705), circuit electrical malfunction retarded timing position, the engine might refuse to start cylinder 10 injector, data incompatible you can see the throttle/pedal position sensor 'e', minimum stop performance is the final reason of the code. |
09503 Possible Causes:
09503 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 09503 Code
- Inspect all the connections cylinder 3 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns