Oxygen, Lambda Sensor Exhaust Oxygen Sensor (O2 Sensor) Measures oxygen in the exhaust so the ECU can correct the air-fuel mixture Mando "OTK8N5A1" - Not availableHYUNDAI - Coupe, Sonata, Santa FE, Trajet, Accent; KIA - Ceed, PRO Ceed; BMW - 3, 5