The DELPHI Mass Air Flow Sensor (AF10304-12B1) is engineered to precisely measure the amount of air entering your engine. 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 smooth engine operation. A faulty sensor can lead to various drivability issues, including rough idling, hesitation, stalling, and poor acceleration. Replacing a worn or damaged sensor with a quality part like this DELPHI unit can restore your vehicle's performance and efficiency. DELPHI is a trusted name in automotive components, known for producing reliable and high-quality parts. This Mass Air Flow Sensor is designed to meet or exceed original equipment specifications, ensuring a proper fit and function for your vehicle.