- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- MERCEDES-BENZ - E-Class, S-Class, C-Class, Sprinter 3.5-T; BMW - 3, 5; PEUGEOT - 308, 207; CITROËN - DS3, C4; MINI - Cooper; ...