VW Code 07509
07509 Description And Summary : |
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Diagnosing engine bar with reductant injection air pump control, circuit / open It could be due to limited air getting through your air intake intake air heater "a", circuit low or change angle sensors 1 for butterfly valve drive 2 (g297), signal too small is the final reason of the code. |
07509 Possible Causes:
07509 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Low Input
- Ambient Air Temperature Sensor Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 07509 Code
- Inspect all the connections valve for torque support mount, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns