This BREMI Mass Air Flow (MAF) Sensor, part number 30204, is engineered to accurately measure the amount of air entering your engine's intake manifold. By providing this critical data to the engine control unit (ECU), it enables precise fuel injection adjustments, leading to improved combustion and overall engine performance. Proper functioning of the MAF sensor is vital for maintaining optimal fuel economy and reducing emissions. A faulty sensor can lead to various drivability issues, including rough idling, hesitation, stalling, and reduced power. Replacing your old or malfunctioning sensor with this high-quality BREMI unit can restore your vehicle's performance and efficiency. BREMI is known for its commitment to quality and reliability in automotive electrical components. This MAF sensor is designed to meet or exceed original equipment specifications, ensuring a proper fit and dependable operation for your vehicle.