Ford Mass Air Flow Sensor PC3A-12B579-AA Directly Replaces OEM Part

When your Ford shows rough idle, slow acceleration, abnormal fuel consumption, or check engine light, this is likely due to aging or carbon buildup of the air flow sensor. This sensor precisely measures incoming air mass and transmits data to the ECU in real time to control fuel injection and ignition timing; ensures smooth power output and good fuel economy. Direct replacement OEM number PC3A-12B579-AA; compatible with Ford Focus, Kuga, Mondeo and other models. Install: cold engine operation to avoid damage; after install, use a diagnostic tool to clear fault codes and relearn idle.