This Mass Air Flow (MAF) sensor from PIERBURG is designed to accurately measure the volume and density of air entering the engine. By providing this critical data to the engine control unit (ECU), it enables precise fuel injection adjustments. Proper functioning of the MAF sensor is essential for maintaining engine performance, fuel efficiency, and reducing emissions. A faulty sensor can lead to poor acceleration, rough idling, increased fuel consumption, and check engine lights. PIERBURG is a trusted brand known for its high-quality engine management components. This sensor is engineered to meet or exceed original equipment specifications, ensuring reliable and long-lasting operation.