- 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 "LS140208" - Not available
CITROËN - BX, AX, C15, ZX, Xsara; PEUGEOT - 405, 205; FIAT - Punto, Panda; ALFA ROMEO - 155, 164