- Oxygen, Lambda Sensor
- Exhaust Oxygen Sensor (O2 Sensor)
- Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture
- FAE "77263" - Not available
FORD - Focus, Galaxy, Fiesta, Grand C-MAX, Puma; FIAT - Punto, Doblo; AUDI - A4, TT; CITROËN - Xsara, C5; ALFA ROMEO - 156, 166