Home >> Audi >> 2016 >> S3 Premium Plus >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> EXHAUST SYSTEM, EMISSION CONTROLS (4-Cylinder 2.0L 4V TFSI Engine) -- (A3 SEDAN) >> 26 Exhaust System, Emission Controls >> Secondary Air System >> Secondary Air Injection Sensor 1 -G609-, Removing And Installing >> Tightening Specifications