- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- KIA - Optima, Ceed, RIO, PRO Ceed, Carens; HYUNDAI - I30, IX20; MERCEDES-BENZ - Citan, A-Class; FORD - Mondeo; SAAB - 9-5; ...