The DELPHI Mass Air Flow Sensor (AF10379-12B1) is engineered to precisely measure the amount of air entering your engine's intake manifold. This critical data is sent to the engine control unit (ECU) to help determine the correct amount of fuel to inject for efficient combustion. Proper functioning of the MAF sensor is vital for maintaining smooth engine operation, fuel economy, and reducing emissions. A failing sensor can lead to various drivability issues, including rough idling, hesitation, stalling, and poor acceleration. This sensor is designed to meet or exceed original equipment specifications, providing a reliable replacement part to restore your vehicle's performance. Trust DELPHI for quality components that ensure your engine receives the precise air-fuel mixture it needs.