- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- LUCAS "LEB4012" - Not available
PEUGEOT - 308, 207, 5008, 208, 508; CITROËN - DS3, C4; MINI - Cooper, Countryman; DS - DS 3, DS 5