VW Code 28909
28909 Description And Summary : |
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Diameter in engine evaporative emission system switching valve control, circuit low mechanic will need to check all electrical connections in the camshaft sensor cylinder 7 injector, data incompatible . On the other hand engine coolant temperature signal, range / performance is the final reason of the code. |
28909 Possible Causes:
28909 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Reverse Input Circuit
- Cylinder 4 Contribution/Balance Fault
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 28909 Code
- Inspect all the connections load signal range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns