Mitsubishi Oxygen Sensor 234-4633 Compatible with MN153009, MD331050, Fits Multiple Models, Stable Performance

Ford Focus, Mondeo, Kuga and other models’ air flow quality sensor (OEM JX6A-12B579-DB) installed between the intake manifold and air filter; accurately monitors air entering the engine and transmits data to ECU to optimize fuel injection and ignition timing. Installation medium; about 30-45 minutes; clean intake and avoid touching sensitive elements. If idle is unstable, acceleration weak, fuel consumption abnormal, or engine light on, sensor failure is likely.