Oxygen, Lambda Sensor Exhaust Oxygen Sensor (O2 Sensor) Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture EPS "1.998.556" - Not availableTOYOTA - Avensis, Corolla, Auris, Verso, Hilux, Venza, Kluger; LEXUS - RX, HS, LS, GS