VW Code 08509
08509 Description And Summary : |
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The problem is about exhaust bank 4 oxygen sensor before catalyst, heater circuit, regulation at lower limit mechanic will need to check all electrical connections in the camshaft sensor actuator supply voltage 'c', circuit high you can see the o2 sensor reference voltage bank 1 sensor 1, circuit / open will delay your vw fault. |
08509 Possible Causes:
08509 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Engine Shutoff Solenoid Malfunction
- Cylinder 10 Contribution/balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 08509 Code
- Inspect all the connections control module defective
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns