The DELPHI Mass Air Flow (MAF) Sensor, part number AF10646-12B1, is engineered to precisely measure the amount of air entering your engine's intake manifold. This critical data is then sent to the engine control unit (ECU) to determine the correct amount of fuel to inject for optimal combustion. By accurately monitoring airflow, this sensor plays a vital role in maintaining fuel efficiency, reducing emissions, and ensuring smooth engine operation. A malfunctioning MAF sensor can lead to poor acceleration, rough idling, increased fuel consumption, and illuminated check engine lights. DELPHI is a trusted name in automotive components, known for producing high-quality parts that meet or exceed original equipment specifications. This AF10646-12B1 sensor is built to deliver consistent performance and durability, providing a reliable solution for your vehicle's air intake system. Installation of this MAF sensor should restore proper engine function and help resolve issues related to inaccurate air-fuel mixture. Regular maintenance and replacement of worn sensors can prevent further engine problems and ensure your vehicle runs at its best.