- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77588" - Not available
KIA - Sorento, Optima, Sportage, Magentis, Carens; HYUNDAI - Santa FE, IX35, Sonata, Genesis, Grandeur