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Know your exact ethanol content in real-time via the Fuel-It! or JB4 app. If you're running E85 or ethanol mixes in your vehicle, you need this! This is a plug and play way to integrate your existing ethanol sensor with the ECU and get the real time ethanol content updates via Bluetooth on your mobile device with our app. What's Included • Fuel-It! Bluetooth analyzer (iPhone or Android app must be downloaded to use this feature) • Plug and play harness to integrate with your ECU • Includes both Bluetooth App & 5v analog output for JB4 or flash tuning Download the Fuel-It! ECA app here:
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We currently ship within the US, with more countries coming soon.
Final cost and dates are confirmed at checkout.
🇺🇸 Ship from USA · On Agora since 2026
$199.00