This BREMI Mass Air Flow (MAF) sensor, part number 30045, is designed to precisely measure the amount of air entering your engine's intake system. By accurately detecting airflow, the engine control unit (ECU) can adjust fuel injection and ignition timing for optimal performance. Replacing a faulty MAF sensor can resolve issues such as rough idling, poor acceleration, decreased fuel economy, and check engine lights. This sensor is built to meet or exceed original equipment specifications, ensuring reliable and consistent readings. Ensure your vehicle's engine receives the correct air-fuel mixture by installing this high-quality MAF sensor. It's a crucial component for maintaining engine health and performance.