The DELPHI Mass Air Flow (MAF) Sensor, part number AF10533-12B1, is engineered to precisely measure the amount of air entering your engine. This critical data allows the engine control unit (ECU) to adjust fuel injection and ignition timing for peak performance and fuel economy. Proper functioning of the MAF sensor is vital for maintaining smooth idling, responsive acceleration, and reduced emissions. A faulty sensor can lead to poor fuel economy, engine misfires, and the illumination of the check engine light. This DELPHI MAF sensor is designed as a direct replacement for your original equipment, ensuring a seamless fit and reliable operation. Trust DELPHI for quality components that help keep your vehicle running at its best.