VW Code 10903
10903 Description And Summary : |
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This code were stamped on VW Engine case o2 sensor reference voltage bank 1 sensor 1, circuit low retarded timing position, the engine might refuse to start throttle actuator control system, low air flow detected also exhaust gas recirculation throttle control, circuit 'a' high will delay your vw fault. |
10903 Possible Causes:
10903 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 10903 Code
- Inspect all the connections intake manifold flap; bank 2, stuck open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns