The FEBI BILSTEIN 100672 Mass Air Flow (MAF) Sensor is engineered to precisely measure the volume and density of air entering your vehicle's engine. This critical data is then transmitted to the engine control unit (ECU), allowing it to calculate the correct amount of fuel to inject for optimal combustion. A malfunctioning MAF sensor can lead to a range of issues, including poor fuel economy, rough idling, hesitation during acceleration, and increased emissions. Replacing a faulty sensor with a high-quality part like this FEBI BILSTEIN unit can restore your engine's performance and efficiency. FEBI BILSTEIN is known for producing reliable automotive components that meet stringent quality standards. This MAF sensor is designed for a direct fit, ensuring compatibility with your vehicle's existing system and straightforward installation.