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Black Friday pricing is LIVE! Save $350 on eFlexPro & $175 on eFlexPlus during this once-a-year sale! No code needed - add to cart and look for the savings.

Monitor engine performance with ease

If you have an eFlexFuel kit, be sure to take advantage of the eFlexApp. With our mobile app, you can choose engine tuning profiles, monitor performance, and customize as you drive. With the free eFlexApp, you'll have access to a variety of features:

  • Keep an eye on essential data such as ethanol content, fuel temperature, injector activity, injector duty cycle, and more.
  • Easy self-diagnosis with with displayed fault codes.
  • Choose from different driving modes (eFlexPlus, eFlexMoto Plus and eFlexPro, eFlexMoto Pro only) and settings.
  • Fill in a fuel log

The app is intuitive and customizable and lets you take command of performance and fuel consumption.

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eFlexApp Gauge Screens

Features

Choose Your Driving Mode

Tested in Race Track & Dyno Proven Power Gain

eFlexApp Driving Modes

All Features

Monitor ethanol content, fuel temperature, ambient engine temperature, injector duty cycle, engine RPM, startup info, device status and cold enrichment

Real-time logging feature (duty cycle, ethanol content, engine temperature, engine RPM)

Fuel log

Device status

Adjust and monitor cold start

Choose your driving mode (Economy, Dynamic, Sport, Custom Tune), eFlexMoto driving modes: Normal, Sport, Track modes

Display OEM engine sensor data: MAP, MAF, TPS, or WBO

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Device Specific Features

+ eFlexPlus, eFlexMoto Plus

  • Monitor: ethanol content, vehicle speed, engine RPM, duty cycle, fuel temperature, ambient engine temperature, injector activity & cold enrichment
  • Adjust: RPM based enrichment with driving mode selection (save a custom driving mode setting created with eFlexTuner software) & cold enrichment (save a custom setting created with eFlexTuner software)
  • Fill: Fuel log
  • Check: device status

+ eFlexPro, eFlexMoto Pro

  • Monitor: ethanol content, vehicle speed, duty cycle, fuel temperature, ambient engine temperature, injector activity & cold enrichment
  • Adjust: RPM based enrichment with driving mode selection (save up to three custom driving mode settings created with eFlexTuner software) & cold enrichment (save a custom setting created with eFlexTuner software)
  • Fill: Fuel log
  • Check: device status

eFlexApp communicates with your eFlexFuel device via Bluetooth. Permission to use Bluetooth is required.