The DELPHI Mass Air Flow (MAF) Sensor, part number AF10418-12B1, is a critical component for your vehicle's engine management system. It precisely measures the amount of air entering the engine, providing essential data to the Engine Control Unit (ECU). Accurate air flow data allows the ECU to calculate the correct amount of fuel to inject, leading to improved fuel efficiency, reduced emissions, and optimal engine power. A malfunctioning MAF sensor can cause a range of issues, including rough idling, poor acceleration, increased fuel consumption, and check engine lights. This DELPHI MAF sensor is engineered to meet or exceed original equipment specifications, ensuring a direct fit and reliable performance. Trust DELPHI for quality components that maintain your vehicle's performance and efficiency.