This HELLA Mass Air Flow (MAF) Sensor, part number 8ET 358 095-571, is designed to accurately measure the amount of air entering the engine's intake manifold. 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 optimal engine performance, smooth idling, and maximizing fuel economy. A faulty sensor can lead to poor acceleration, increased fuel consumption, and potential engine warning lights. HELLA is a trusted brand known for its high-quality automotive components. This sensor is built to meet stringent industry standards, ensuring reliable and long-lasting operation in your vehicle.