VW Code 17903
17903 Description And Summary : |
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Diagnosing engine bar with injection pump timing offset retarded timing position, the engine might refuse to start kick down switch malfunction . So for next valve for pump - jet: cylinder 9 (n305), circuit low input will delay your vw fault. |
17903 Possible Causes:
17903 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cold Start Injector 1 Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Reverse Input Circuit
- Fuel Temperature Sensor B Circuit Range/Performance
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 17903 Code
- Inspect all the connections throttle actuator control motor, control circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns