- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- NTK "0377" - Not available
FIAT - Doblo, Punto, Bravo, Grande Punto, 500; ALFA ROMEO - 166, GTV; LANCIA - Ypsilon, Musa; AUDI - A4, A6; CITROËN - Xsara, C5