The DELPHI Mass Air Flow (MAF) Sensor, part number AF10222-12B1, is a critical component for modern engine management systems. It precisely measures the amount of air entering the engine, providing essential data to the engine control unit (ECU). By accurately calculating airflow, the ECU can then determine the correct amount of fuel to inject, leading to improved combustion efficiency, reduced emissions, and optimal engine power. A malfunctioning MAF sensor can lead to poor fuel economy, rough idling, hesitation, and even engine stalling. This DELPHI MAF sensor is engineered to meet or exceed original equipment specifications, ensuring a reliable and direct fit for your vehicle. Trust DELPHI for quality components that restore your vehicle's performance and efficiency.