- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- LUCAS "LEB771" - Not available
AUDI - A4, A2, A6, A3, S6; SEAT - Exeo; FORD - Escort, Fiesta; CITROËN - Xsara, C5; FIAT - Punto, Bravo