Innovate Motorsports Ethanol Content % & Fuel Temp (3904)

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$217.99 $268.44Instant Savings of 19% ($50.45)

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Innovate Motorsports Ethanol % and Fuel Temp Gauge

The Ethanol Advanced gauges combine our patented DirectDigital™ O2 sensor control technology with application specific sensors, an OLED display, and a sophisticated ethanol content sensor that also measures fuel temperature. These capabilities allow the user to monitor and capture critical metrics for accurate and reliable tuning while operating with high ethanol content fuel. The Ethanol Advanced gauges offer the looks, safety and performance enthusiasts demand!


  • Ethanol Content %: 0200%
  • Display in %, example 85.6 (Digital Display)
  • Error reporting for ethanol content sensor (Digital Display)
  • Temp: -40-257 °F (-40225°C)
  • Change exterior LED as a fill bar or light a single indicating LED
  • Programmable exterior LED ranges vs. color
  • Programmable unit of measure as °F or °C
  • Programmable fuel temperature warning (outer LED)
  • 2-Configurable analog outputs for use with standalone and other programmable ECU’s as well as external data loggers
    • Ethanol Content: 0v = 0%, 5v = 100%
    • Fuel Temp: 0v = -40 °F, 5v = 257 °F (-40225°C)


  • Universal

What's in the box?

  • Harness
  • Program Cable(Serial)
  • Ethanol Sensor (*Optional)
  • Quick Start Installation Guide.
  • Gauge (Black Faceplate, Black Bezel), Silver Bezel & White Faceplate


  • Manufacturer Limited Warranty

Customer Reviews

Based on 20 reviews
Amazing ethanol gauge

This gauge reads so much faster than HP tuners, it eliminates me having to plug my laptop up to see my ethanol percentage. Installation was easy as I already had a flex fuel sensor. Shipping was amazingly fast also.

Best Product

Came very quick and install was easy helps a lot!

Good price and works great.

The guage works flawlessly, easy to hook up to your vehicle. Only thing I wish it would do is change the colors on the lcd. As for the sensor that hooks into your fuel lines, there is no bracket so it just sits there and will have to be zip tied to something. I would recommend this guage.

Ethanol sensor

East to wire into my ecu. Worked flawlessly. Love the ability to change fuels!

Ethanol sensor

Ethanol sensor works great! Super easy to wire into my ecu. Works flawlessly!