This Mass Air Flow (MAF) sensor from PIERBURG is designed to accurately measure the volume and density of air entering your engine's intake system. By providing this crucial 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 vital for maintaining optimal engine performance, fuel efficiency, and emissions control. A faulty sensor can lead to various issues, including rough idling, poor acceleration, increased fuel consumption, and check engine lights. PIERBURG is a reputable manufacturer known for producing high-quality engine management components. This sensor is engineered to meet or exceed original equipment specifications, ensuring reliable and long-lasting operation.