Knock Sensor 1 -G61-, REMOVING AND INSTALLING: Notes
WARNING: This page is about a different car, the 2022 Audi SQ7. However, it is still accessible from the selected car via links, so may be relevant.
The procedure applies to Knock Sensor 1 -G61-, Knock Sensor 2 -G66-, Knock Sensor 3 -G198- and Knock Sensor 4 -G199-.