- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- VEGAZ "ULS-441" - Not available
HYUNDAI - Atos, Santa FE, Sonata, I10, Getz; KIA - Ceed, Picanto; AUDI - A4, A3; BMW - 3, 1; ALFA ROMEO - 156, 159