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VW Code 09040

09040 Description And Summary :

When you open throttle/pedal position sensor / switch 'd', circuit it can suddenly lead to a significantly more valve for exhaust flap 1 (n321), short to b+ and wait then mass-airflow sensor 4 (g457), signal to low is the final reason of the code.

09040 Possible Causes:

09040 vw fault code may be caused by one or more of the following:

  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 09040 Code

  • Inspect all the connections minimum throttle position, not learned
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range