- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- Calorstat by Vernet "LS140683" - Not available
AUDI - A4, A6, A5, A8, Q5; BMW - 3, 5; VW - Jetta; CITROËN - C5, C4; ALFA ROMEO - 156, Spider