- 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 "LS140418" - Not available
CITROËN - Xsara, ZX, Xantia, BX, XM; NISSAN - Cefiro, Maxima; FIAT - Punto, Panda; ALFA ROMEO - 155, 164; BMW - 7, 5