- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- RIDEX "3922L0012" - Not available
ALFA ROMEO - 156, Spider, 147, 166, GTV; FIAT - Doblo, Ducato; LANCIA - Lybra, Thesis; AUDI - A4, A6; CITROËN - C5, C4