The DELPHI Mass Air Flow (MAF) Sensor is a critical component for your vehicle's engine management system. It precisely measures the amount of air entering the engine, providing essential data to the Engine Control Unit (ECU). Accurate air flow readings allow the ECU to calculate the correct amount of fuel to inject, leading to improved fuel efficiency, reduced emissions, and smoother engine operation. A malfunctioning MAF sensor can cause a range of issues, including poor acceleration, rough idling, and increased fuel consumption. This AF10639-12B1 sensor is designed to meet or exceed OE specifications, ensuring reliable and consistent performance. Trust DELPHI for quality components that keep your engine running at its best.