The 2020+ Ford Explorer ST Ethanol Sensor Kit is engineered for drivers who demand precise fuel ethanol percentage and optimal engine performance. This comprehensive kit includes everything needed to monitor ethanol content in your fuel supply, a critical parameter for tuning and engine health on modern flex-fuel vehicles. Ethanol sensors detect the percentage of ethanol blended into gasoline. For Explorer ST owners running performance tunes or E85 fuel blends, accurate ethanol sensing is essential to prevent lean conditions, detonation, and potential engine damage. This kit is designed specifically for 2020 and newer Explorer ST models, ensuring proper fitment and OEM-level compatibility. Eliminating the need for custom fabrication or invasive modifications. Installation is straightforward. Whether you're optimizing a stock tune, running a custom ECU flash, or experimenting with alternative fuel blends, this ethanol sensor kit provides the real-time data your engine needs to perform reliably. Includes all necessary hardware and connectors to get your Explorer ST running at peak efficiency.