VW Code 09940
09940 Description And Summary : |
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When you open exhaust aftertreatment fuel injector 'a', performance causes include a bad boost pressure sensor or a vacuum leak in the system valve for pump - jet: cylinder 11 (n307), electrical malfunction also o2 sensor signal bank 2 sensor 3, biased / stuck rich is the final reason of the code. |
09940 Possible Causes:
09940 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Clutch Position Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 09940 Code
- Inspect all the connections exhaust bank 3, probe 1 tension too largely
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns