The DELPHI Mass Air Flow Sensor (AF10467-12B1) 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 help determine the correct amount of fuel to inject for efficient combustion. Proper functioning of the mass air flow sensor is vital for maintaining optimal engine performance, fuel economy, and emissions control. A failing sensor can lead to various drivability issues, including rough idling, hesitation, stalling, and reduced power. This sensor is designed to meet or exceed original equipment specifications, providing a reliable replacement part for your vehicle. Trust DELPHI for quality components that contribute to your vehicle's overall health and performance.