- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Mobiletron "OS-B430P" - Not available
AUDI - A4, TT, A3, A6, A8; VW - Sharan, Passat; BMW - 3, 5; SEAT - Alhambra; ALFA ROMEO - 156, 166; CITROËN - C5, C4