This Mass Air Flow (MAF) sensor from DELPHI is designed to accurately measure the volume and density of air entering your engine's intake system. By providing this critical data to the engine control unit (ECU), it enables precise fuel injection adjustments. Proper functioning of the MAF sensor is essential for maintaining smooth engine operation, improving fuel efficiency, and reducing emissions. A faulty sensor can lead to various drivability issues, including rough idling, hesitation, poor acceleration, and illuminated check engine lights. DELPHI is a trusted name in automotive components, known for producing high-quality parts that meet or exceed OE specifications. This AF10405-12B1 sensor is engineered for reliable performance and durability, ensuring your engine receives the correct air-fuel ratio for optimal power and efficiency.