VW Code 09303
09303 Description And Summary : |
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This something to do with the intake camshaft timing data-bus powertrain, implausible message from engine controller causes include a bad boost pressure sensor or a vacuum leak in the system intake manifold runner control, upper stop not reached and motor for intake manifold flap (v157), no signal will delay your vw fault. |
09303 Possible Causes:
09303 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Engine Shutoff Solenoid Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 09303 Code
- Inspect all the connections exhaust bank 3 oxygen sensor correction behind catalyst, rich control limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns