Description
The Fuel-It Bluetooth Flex Fuel Kit is designed for 2022+ Toyota turbocharged 3.4L engines running E85 or ethanol fuel blends. This kit allows you to accurately monitor ethanol content in real time using the Fuel-It! or JB4 app on your smartphone or tablet, helping ensure safe and consistent performance.
This is a complete plug-and-play solution that installs a Bluetooth ethanol sensor in approximately 15 minutes. The system integrates cleanly with factory fuel lines using custom billet fittings and requires no permanent vehicle modifications.
Kit Includes:
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Genuine Continental® ethanol sensor
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Stainless steel braided fuel line with black nylon sheathing
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Proprietary custom billet fittings for OEM plug-and-play integration
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Fuel-It! Bluetooth analyzer
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Plug-and-play wiring harness
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Bluetooth app support for mobile monitoring
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5V analog output for JB4 or flash tuning integration
Features:
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Real-time ethanol content monitoring
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Quick plug-and-play installation
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Designed specifically for Toyota 3.4L twin-turbo platforms
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Supports Bluetooth and analog output tuning solutions
JB4 Integration Notes:
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Connect the white wire to position #4 on the JB4 25-pin harness
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Select WMI Ethanol Setup option 0
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Enables pin locations 2, 3, and 4 for flex fuel input
Vehicle Fitment:
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2022+ Toyota Tundra 3.4L V6 Twin Turbo
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2022+ Toyota Tundra i-FORCE MAX Hybrid
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2022+ Toyota Tundra TRD Pro 3.4L
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2023+ Toyota Sequoia 3.4L V6 Twin Turbo i-FORCE MAX Hybrid
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2022+ Toyota Land Cruiser 3.4L V6 Twin Turbo
Important Notes:
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If you are unsure about compatibility, provide a photo of the engine bay with the engine cover removed for verification
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Ethanol sensors calculate ethanol content based on the absence of gasoline; contaminated fuel may result in artificially elevated ethanol readings
This kit provides a reliable, plug-and-play solution for accurately monitoring ethanol content and safely optimizing performance on Toyota’s 3.4L twin-turbo platform.
