Oxygen, Lambda Sensor Exhaust Oxygen Sensor (O2 Sensor) Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture INTERMOTOR "64384" - Not availableLEXUS - GX, LX, GS, LS, SC; BMW - 3, 5; AUDI - A4, A3; CHEVROLET - Aveo, Cruze