06A 906 265 F : Oxygen sensor for Audi A3 (8L)

This oxygen sensor is designed to replace a worn, faulty or missing part on the Audi A3 (8L), as part of the maintenance or restoration of this classic vehicle. The oxygen sensor plays a central role in combustion management by measuring the oxygen content of exhaust gases, allowing the engine control unit to continuously adjust the air-fuel mixture. Its replacement with a new part helps restore performance and emissions management in line with original specifications. A preliminary diagnostic is recommended to confirm the fault before any intervention.