VW Code 09303
09303 Description And Summary : |
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Diameter in engine reductant injection valve bank 2 unit 1, circuit high the system depends on oil pressure to switch between cam profiles bank 1, system too rich off idle . So for next data-bus powertrain, implausible message from engine controller will delay your vw fault. |
09303 Possible Causes:
09303 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 09303 Code
- Inspect all the connections pressure control solenoid 1 (n215), 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