Secondary Air Injection Sensor 1 -G609-, REMOVING AND INSTALLING: Installing
WARNING: This page is about a different car, the 2024 Audi Q3 and 2023 Audi Q3. However, it is still accessible from the selected car via links, so may be relevant.
Install in the reverse order of removal while noting the following:
- Replace the O-ring after removal.
-- Install the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .