- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- VEGAZ "DLS-432" - Not available
ALFA ROMEO - 156, Spider, 166, 145, GTV; FIAT - Doblo, Punto; LANCIA - Kappa; AUDI - A4, A8; CITROËN - Xsara, C5