适配大众奥迪A6汽车氧传感器06D906265 0258006785 06E906262E

When your vehicle experiences idle instability, rising fuel consumption, weak acceleration, or MIL on, it is likely the oxygen sensor aged or failed. The sensor monitors exhaust oxygen content and feeds ECU to precisely control the air-fuel ratio for efficient combustion and reduced emissions. This product fits VW/Audi A6, OEM number 06D906265 (compatible with 0258006785, 06E906262E); installation requires a dedicated socket to avoid thread damage; clean exhaust interface and apply anti-seize; tightening torque 45–55 Nm; do not over-tighten to avoid breakage.