This Mass Air Flow (MAF) sensor from MAGNETI MARELLI 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 optimal engine performance, fuel efficiency, and reducing harmful emissions. A faulty sensor can lead to various drivability issues, including rough idling, hesitation, stalling, and illuminated check engine lights. This MAGNETI MARELLI MAF sensor is engineered to meet or exceed original equipment specifications, ensuring reliable and accurate readings for your vehicle's air intake system. Trust in its quality for consistent engine operation.