Toyota Tundra, Land Cruiser, & Sequoia Bluetooth Flex Fuel Kit for the 2022+ 3.4L

  • $479.95
Shipping calculated at checkout.


If you're running E85 or ethanol mixes in your 2022+ Toyota Tundra, 2022+ Toyota Land Cruiser, and 2023+ Toyota Sequoia you need this kit!

This is a complete plug & play kit to install a Bluetooth ethanol sensor in your turbocharged 3.4L Toyota in about 15 minutes.

Know your exact ethanol content in real-time via the Fuel-It! or JB4 app on your smartphone or tablet.

The kit includes the following:

  • Genuine Continental® ethanol sensor
  • Stainless steel braided fuel line with black nylon sheathing to protect your other engine bay components
  • Proprietary custom billet fittings for plug and play OEM integration
  • Fuel-It! Bluetooth analyzer (iPhone or Android app must be purchased to use this kit)
  • Plug and play harness
  • Includes both Bluetooth App & 5v analog output for JB4 or flash tuning
      • Bluetooth (iPhone or Android app must be downloaded to use this feature)
      • If you are using an Apple product the app can be found by clicking here
      • If you are using an Android product the app can be clicking here

This kit is compatible with the following

  • 2022+ Toyota Tundra  3.5L V6 Twin Turbo, i-FORCE MAX Hybrid, TRD Pro
  • 2023+ Toyota Sequoia 3.5L V6 Twin Turbo i-FORCE MAX Hybrid
  • 2022+ Toyota Landcruiser 3.5L V6 Twin Turbo

*For the 2022+ Toyota Tundra  JB4 platform connect the white wire to position #4 on the JB4 25 pin harness.  Select WMI Ethanol Setup option 0 to enable pin location 2/3/4 flex fuel input.

Fuel-It! E85 Ethanol Content Tester

*If you aren't sure whether this kit fits your car, send us a picture of your engine bay with the engine cover removed to

*Ethanol Sensors don't actually read the ethanol content, the readings are based on the absence of gasoline, so if your fuel is contaminated your ethanol readings may be artificially elevated.

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