VW Code 07409
07409 Description And Summary : |
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The problem is about valve for intake manifold flap (n239), short to ground It could be due to limited air getting through your air intake hc adsorption catalyst efficiency below threshold bank 2 . So for next nox sensor heater control bank 1, circuit / open will delay your vw fault. |
07409 Possible Causes:
07409 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Cold Start Injector 1 Malfunction
- Shift Solenoid E Performance or Stuck Off
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 1 Injector Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
What To Check After Fixing 07409 Code
- Inspect all the connections post catalyst fuel trim system, low limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns