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Pairing Settings:
The ECU must be paired to an Android device and powered ON before attempting to connect. All
ECU connections can be managed from the E-Tuner's Pairing Settings menu. If the Pro-Flo 3 EFI
system was purchased without an Android tablet, one must be paired to the ECU first.
Bluetooth Pairing:
When using an Android device that was not supplied with the Pro-Flo 3 EFI, follow the pairing
instructions below. E-Tuner will search for a Pro-Flo 3 ECU that is within a "discoverable" range.
This discovery range should be as close as possible, within 10-15 feet of the Bluetooth Antenna
for best results. However, this can vary between different smartphones, tablets, and vehicles. The
chances of successfully pairing will decrease if the Android device is too far away from the ECU or
if the signal is too weak.
To Pair with an ECU:
1. Turn the ignition to the ON position to power on the ECU.
2. Press ECU Search.
3. Select an ECU from the list. (A selected ECU is highlighted in RED).
4. Press "OK" to start connecting.
5. The top of the screen will flash yellow and the hourglass icon will spin while the app tries
to connect.
6. Wait 10-30 seconds until the app asks for a Pairing Code.
The pairing code can be found in several places: On the front of the ECU, on the back of the
Tablet (if purchased with the Pro-Flo 3 EFI), or on the front of the Installation Manual. This
code will be the same as the ECU Serial Number.
Example: If the ECU's serial number is 12345, then the pairing code will be: 12345.
7. If the pairing and connection are successful, the app will show a green check mark icon.
Once connected, the Setup Wizard (see Quick Reference Guide) can be used to configure
the ECU, watch the Gauge Displays to monitor the system, or change settings in the
Advanced Tuning Section.
After pairing is complete, please follow Connecting to The ECU on the following page.
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