- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77677" - Not available
HYUNDAI - Elantra, Tucson, Coupe, Trajet, I30; KIA - Ceed, Sportage; AUDI - A4, A3; ALFA ROMEO - 156, 159