- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Mobiletron "OS-B501" - Not available
PEUGEOT - 207, 308, 208, 508, 5008; CITROËN - DS3, C4; BMW - 3, 5; AUDI - A6, S6; MINI - Cooper, Clubman; SAAB - 9-5