- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77477" - Not available
HYUNDAI - Santa FE, Sonata, Trajet, XG, Highway; KIA - Magentis, Sorento; FORD - Mondeo, Escort; AUDI - A6, A4