This DELPHI Mass Air Flow (MAF) sensor, part number AF10654-12B1, is designed to accurately measure the volume and density of air entering your vehicle's engine. By providing this critical data to the engine control unit (ECU), it enables precise adjustments to the fuel injection and ignition timing. Proper functioning of the MAF sensor is essential for maintaining optimal engine performance, fuel economy, and reducing emissions. A faulty sensor can lead to various drivability issues, including rough idling, hesitation, stalling, and reduced power. This DELPHI sensor is engineered to meet or exceed original equipment specifications, ensuring reliable and consistent performance. Replacing a worn or malfunctioning MAF sensor with this DELPHI unit can restore your engine's efficiency and responsiveness. It is a direct fit replacement, designed for seamless integration with your vehicle's existing electrical and air intake systems. Trust DELPHI for quality and precision in engine management components.