The Fuel-It ECA is a utility tool available on iPhone that provides realtime feedback from your Continental Ethanol sensor. Developed by Dmac Mobile Developments LLC, this free app allows you to monitor the concentration of ethanol in your fuel, as well as the fuel temperature.

One of the key features of the Fuel-It ECA is its wireless communication capability, which frees up your device's port. This means that you can monitor the ethanol concentration and charge your device at the same time, without any limitations.

With the Fuel-It ECA, you have access to two display views, allowing you to choose the format that suits you best. Additionally, you can customize the display to show the fuel temperature in either Fahrenheit or Celsius, depending on your preference.

Please note that this app requires a custom Bluetooth module to function. More information about the module can be found on the developer's website.

Overall, the Fuel-It ECA is a useful tool for those who want to monitor the ethanol concentration and fuel temperature in real time. Its wireless communication capability and customizable display make it a convenient choice for users.