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Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 11 (Exhaust System, Emission Controls (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4))) >> 26 Exhaust System, Emission Controls >> Secondary Air System >> Secondary Air Injection Sensor 1 -G609-, REMOVING AND INSTALLING >> Installing

Secondary Air Injection Sensor 1 -G609-, REMOVING AND INSTALLING: Installing

WARNING: This page is about a different car, the 2025 Audi A4 allroad and 2025 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal.