The DELPHI AF10381-12B1 Mass Air Flow (MAF) sensor is a critical component for modern engine management systems. It precisely measures the amount of air entering the engine, providing vital data to the Engine Control Unit (ECU). This data allows the ECU to calculate the correct amount of fuel to inject, ensuring optimal air-fuel ratios. Proper functioning of the MAF sensor is essential for maintaining smooth engine operation, maximizing fuel economy, and minimizing emissions. Designed and manufactured to meet stringent quality standards, this DELPHI MAF sensor offers reliable and accurate performance. Replacing a faulty MAF sensor can resolve issues such as poor acceleration, rough idling, stalling, and check engine lights.