Land Rover Range Rover Rear Oxygen Sensor LR011711 F00E263301 Plug and Play

Rear oxygen sensor replacement uses Land Rover LR-011711 and Bosch F00E263301; universal fit; plug-and-play. Monitors oxygen content in exhaust and sends data to ECU to adjust air-fuel ratio for combustion efficiency. Fits Range Rover (2010–2021), Range Rover Sport, Discovery 4, etc. No wiring changes needed. Replacing fixes high fuel consumption, weak acceleration, engine warning lamp, and emissions compliance. If idle is unstable, exhaust has black smoke or fuel consumption spikes, rear oxygen sensor aging is probable; replace to simplify maintenance.