- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77172" - Not available
BMW - 3 (E36, WB), 5, 7, 8; CITROËN - Xsara, ZX; FIAT - Punto, Panda; FORD - Escort, Sierra; ALFA ROMEO - 155; ...