- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- VEGAZ "ULS-271" - Not available
CHEVROLET - Lacetti, Nubira, Kalos, Aveo; MAZDA - 626, Xedos 6; DAEWOO - Nubira, Lacetti