VW Code 28509
28509 Description And Summary : |
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This something to do with the intake camshaft timing engine coolant temperature sensor 2 (g83), circuit low run rough, or might suddenly stall at any given speed diesel particulate filter pressure sensor 'a', circuit range / performance and 'a' rocker arm actuator control, circuit / open will delay your vw fault. |
28509 Possible Causes:
28509 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Glow Plug/Heater Circuit 'A' Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 28509 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