The DELPHI Mass Air Flow (MAF) Sensor, part number AF10492-12B1, 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 calculate the correct amount of fuel to inject for efficient combustion. Proper functioning of the MAF sensor is vital for maintaining optimal engine performance, fuel economy, and reducing emissions. A faulty MAF sensor can lead to various drivability issues, including rough idling, hesitation, stalling, and decreased power. This DELPHI sensor is designed to meet or exceed original equipment specifications, ensuring reliable and accurate readings. Replacing a worn or malfunctioning MAF sensor with this DELPHI unit can restore your vehicle's performance and fuel efficiency. It is a direct fit replacement, designed for easy installation in compatible vehicle models. Trust DELPHI for quality and precision in engine management components.