- 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 "LS140664" - Not available
AUDI - A6, A4, Q7, S6, A8; CITROËN - Xsara, Berlingo; FIAT - Panda, Doblo