Logic of naming sensors in VW-group is simple it contains "G" (german "Geber") + sensor number. The sensor number is unique. Here you can find fitting location, connectors and pins description, some information about sensors signals.

To our mind, sensors information is reference, so there is only simple search by sensor number.


Audi Q7 4L (2007- )

Audi Q7 4L (2007- ). G20 Описание

- 1 -Exhaust gas temperature sender 3 -G495


-2- Catalytic converter temperature sensor 1 -G20


-3- Exhaust gas temperature sender 2 -G448


-4- NOx sender -G295


-5- Lambda probe -G39 + lambda probe heater -Z19



YZ Note

For the sake of clarity, the fitting position is shown from the rear with the engine removed.


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