This Mass Air Flow (MAF) sensor from PIERBURG is designed to accurately measure the volume and density of air entering your vehicle's engine. 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 optimal engine performance, fuel efficiency, and reducing emissions. A faulty sensor can lead to various drivability issues, including rough idling, hesitation, poor acceleration, and illuminated check engine lights. PIERBURG is a trusted name in automotive components, known for producing high-quality parts that meet or exceed original equipment specifications. This sensor is built to last and provide reliable performance throughout its service life.