This Mass Air Flow (MAF) sensor from PIERBURG is designed to accurately measure the volume and density of air entering your vehicle's engine. By providing this critical data to the engine control unit (ECU), it enables precise adjustments to the fuel injection and ignition timing. Proper functioning of the MAF sensor is essential for maintaining engine efficiency, reducing emissions, and ensuring smooth power delivery. A faulty sensor can lead to poor fuel economy, rough idling, hesitation, and check engine lights. PIERBURG is a trusted name in engine management components, known for quality and reliability. This sensor is engineered to meet or exceed original equipment specifications, ensuring a proper fit and dependable operation.