Volkswagen Audi A6L Rear Oxygen Sensor 06E906265E Direct Plug-in Easy Replacement

Volkswagen/Audi A6L C6 undercarriage (2005–2011) 2.8L and 3.0L engines rear oxygen sensor OEM number 06E906265E; direct-insert design, easy replacement without welding. Monitors oxygen content in exhaust and feeds back to ECU to adjust air–fuel ratio for combustion efficiency. If idle is unstable, fuel consumption spikes, acceleration weak, or there is unusual odor from exhaust, sensor failure is likely. Replacement eliminates MIL; generic across batches; strong cross-compatibility.