The MEAT & DORIA 86121 Mass Air Flow (MAF) sensor is a critical component for your vehicle's engine management system. It precisely measures the amount of air entering the engine, providing vital data to the Engine Control Unit (ECU). This accurate measurement allows the ECU to calculate the correct amount of fuel to inject, leading to improved combustion, better fuel economy, and reduced emissions. A malfunctioning MAF sensor can cause a range of issues, including rough idling, poor acceleration, and increased fuel consumption. MEAT & DORIA is known for producing reliable and high-quality replacement parts. This MAF sensor is designed to meet or exceed original equipment specifications, ensuring a proper fit and function. Replacing a faulty MAF sensor with this unit can restore your engine's performance and efficiency.