This BREMI Mass Air Flow (MAF) sensor, part number 30128, is designed to precisely 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 accurate adjustments to fuel injection and ignition timing. Proper functioning of the MAF sensor is essential for maintaining optimal engine performance, fuel efficiency, and emissions control. A faulty sensor can lead to various drivability issues, including rough idling, hesitation, poor acceleration, and increased fuel consumption. BREMI is a trusted name in automotive electrical components, known for producing reliable and high-quality parts. This sensor is engineered to meet or exceed original equipment specifications, ensuring a direct fit and dependable operation for your vehicle.