CANflex Flex Fuel Kit for the 2.4L Turbo Tacoma, 4Runner & Land Cruiser
Running E85 or ethanol blends? Know your exact ethanol content in real time - the cleanest way to add flex fuel capability to your 2.4L Turbo Toyota.
Fitment - 2.4L Turbo Toyota only. Fits the 2024+ Tacoma (including hybrid), 2025+ 4Runner and 2024+ Land Cruiser (i-FORCE MAX hybrid). Note: this kit cannot be shipped to California (CARB).
Know Your Ethanol Content, Live
This complete flex fuel kit - also called an ethanol sensor kit, E85 sensor or flex fuel composition sensor - reads the ethanol percentage in your fuel in real time and shows it on your phone through the free CANflex app or the JB4 PRO app.
The CANflex ECA works as an ethanol content analyzer, E85 analyzer and Bluetooth flex fuel analyzer in one compact unit. It reads your mixture with a genuine Continental® ethanol sensor and sends the data out over CANbus, Bluetooth, a built-in LED display and a 5V output for legacy systems.
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Installs in About 30 Minutes
The sensor tees into the factory fuel line using the included custom aluminum fittings, then the wiring harness ties it to the CANflex ECA. No tune is required just to read ethanol content. The install guide PDF below walks you through every step.
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One Sensor, Four Ways to Read It
The CANflex ECA does not just show you a number - it feeds your ethanol content wherever you need it:
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CANbus for ECU tuning
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Built-in LED display showing your ethanol mix at a glance
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Free iOS & Android app (CANflex or JB4 PRO)
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5V output for a JB4 or legacy systems
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Made to Pair With the JB4
Seamless JB4 integration puts real-time ethanol content right alongside your boost, timing and fueling data, so your E85 blend and your tune always agree. It is plug-and-play CAN integration with user-adjustable settings for ECU and flash tunes, built for Tacoma, 4Runner and Land Cruiser owners who want more power without compromises.
Already running the Tacoma JB4, 4Runner JB4 or Land Cruiser JB4? This is the sensor that completes it.
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What's in the Box
- Genuine Continental® ethanol sensor
- BMS CANflex ECA with Bluetooth
- Custom 180° billet fittings
- Custom wiring harness
- Free BMS CANflex Bluetooth app
- CAN LED silicone cover
- Tube of Super Lube®
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This Part Fits
| Tacoma |
2024+ Toyota Tacoma SR, SR5, Limited, TRD Off-Road, TRD PreRunner, TRD Sport, TRD Pro and Trailhunter, including hybrid models - 2.4L Turbo |
| 4Runner |
2025+ Toyota 4Runner SR, SR5, Limited, TRD Off-Road, TRD PreRunner, TRD Sport, Platinum, TRD Pro and Trailhunter - 2.4L Turbocharged I4 |
| Land Cruiser |
2024+ Toyota Land Cruiser, all trims - 2.4L Turbocharged 4-cyl Hybrid i-FORCE MAX |
Complete the Build
Cancellation / Return Notice: This product may be submitted directly to the manufacturer for fulfillment shortly after purchase. Once submitted, the order is final and may no longer be eligible for cancellation or return.
FAQ
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What does a flex fuel kit do?
It measures the ethanol percentage in your fuel in real time, so you always know whether you are running pump gas, E85 or a blend in between.
Which vehicles does it fit?
The 2024+ Tacoma, 2025+ 4Runner and 2024+ Land Cruiser with the 2.4L Turbo engine. One kit covers all three.
Do I need a JB4 to use it?
No. The kit works on its own with the free CANflex app, LED display and CANbus output. It also integrates with the JB4 for live ethanol content.
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How long does it take to install?
About 30 minutes. Custom billet fittings and a wiring harness are included, and the install guide PDF covers every step.
Where do I read the ethanol percentage?
On the built-in LED display, in the free CANflex or JB4 PRO app on your phone, or through your tune over CANbus.
Can this ship to California?
No. This kit cannot be shipped to California (CARB).
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