This Mass Air Flow (MAF) sensor from PIERBURG is designed to accurately measure the volume and density of air entering the engine's intake system. By providing this critical data to the engine control unit (ECU), it enables precise adjustments to the fuel injection and ignition timing. Proper functioning of the MAF sensor is essential for maintaining engine efficiency, reducing emissions, and ensuring smooth acceleration. A faulty sensor can lead to poor fuel economy, rough idling, engine misfires, and illuminated check engine lights. PIERBURG is a reputable manufacturer known for its high-quality engine management components. This sensor is engineered to meet or exceed original equipment specifications, offering reliable performance and durability for your vehicle.