- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77688" - Not available
KIA - Ceed, PRO Ceed, Cerato, Soul, Joice; HYUNDAI - Santa FE, Sonata; BMW - 3, 5; AUDI - A4, A3; ALFA ROMEO - 159, Spider