E-Tuner 4 is the exclusive Android application from Edelbrock, designed specifically for the Pro-Flo 4 Electronic Fuel Injection system.
This latest Android-exclusive app from Edelbrock is built for the Pro-Flo 4 EFI system.
Using Bluetooth connectivity, E-Tuner 4 communicates directly with your PF4 ECU, allowing you to manage and live-tune critical settings—including air-fuel ratios, ignition timing, idle speed, acceleration fuel, and cold start mixture—while monitoring engine and sensor data in real time from your Android device.
The E-Tuner 4 Setup Wizard streamlines your Pro-Flo 4 EFI installation by helping you choose the right base calibration for your specific setup. Simply provide your engine’s displacement (CID), camshaft type, and kit specifications to get started right away.
E-Tuner 4 applies a reliable base calibration that lets you operate the vehicle without needing to adjust tuning settings. For further customization, the app includes an “Advanced Tuning” section to fine-tune your calibration and optimize performance. Whether you want to lean out the mixture for better fuel economy during cruising or advance the timing for increased power, the Advanced Tuning tools are ready to help. A diagnostic page is also included for troubleshooting.
Once your system is running, explore E-Tuner 4’s vibrant gauge displays to track engine performance. Unlike traditional handheld tuning devices, you can repurpose your phone or tablet as a compact digital dashboard after tuning is complete.
You can also try out E-Tuner 4 without being connected to an Edelbrock EFI system by enabling “Demo Mode.” This allows you to explore the app’s core features—including the Setup Wizard, Advanced Tuning, and Gauge Displays—and get familiar with how E-Tuner 4 operates.
*** Warning! ***
E-Tuner 4 works exclusively with the Edelbrock Pro-Flo 4 EFI system. It is NOT compatible with V1 E-Street, V2 E-Street, Pro-Flo 3, or any legacy Edelbrock EFI systems. If you own one of the aforementioned systems, visit http://www.edelbrock.com/automotive/mc/efi/support.shtml to download the appropriate Android app files.
The E-Tuner 4 app is compatible with most devices running Android 6.0 and above. We recommend using it on Android phones and tablets with screen sizes between 5 and 7 inches. Please check for updates periodically.
What's New in the Latest Version 4.0.23
Last updated on Nov 10, 2024
Latest updates include: customizable gauges (style, bezel, font, and warning limits) via long-press, gauge focus on tap, full-screen dashboards, speedometer fixes, addition of legacy gauges, improvements to spark control page (increased Bluetooth robustness), and enhanced datalogger scaling and naming.

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