The DELPHI Mass Air Flow Sensor (AF10190-12B1) is engineered to precisely measure the amount of air entering your engine's intake manifold. This critical data allows the engine control unit (ECU) to calculate the correct amount of fuel to inject, leading to improved fuel efficiency and reduced emissions. Proper functioning of the MAF sensor is vital for maintaining smooth engine operation, preventing issues like rough idling, stalling, and poor acceleration. DELPHI's commitment to quality ensures that this sensor meets stringent performance standards, providing reliable and consistent readings. Replacing a faulty MAF sensor with this DELPHI unit can restore your vehicle's performance and fuel economy. It is designed for a direct fit, simplifying the installation process and ensuring compatibility with your vehicle's existing systems.