- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Delphi "ES20227-17B1" - Not available
HYUNDAI - Santa FE, Coupe, Trajet, Tucson, XG; AUDI - A4, A6; BMW - 3, 5; KIA - Opirus, Sorento; ALFA ROMEO - 159, 156