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Connecting to the ECU, After Pairing:
It should not be necessary to repeat the paring procedure once the pairing code has been
entered and the Android device and ECU are connected. Note: If the ECU is "deleted" or un-
paired, it will be required to revisit the Pairing Procedure before any communications can be
made.
The Connection Button can be used to quickly start or stop an ECU Connection. This is shown
in the upper right-hand corner of the menu, next to the Edelbrock Logo.
Connection Button
To Start Connecting to an ECU: Press the connection button while a "Red X" icon is shown.
This icon will turn into a rotating hourglass and a yellow bar will flash at the top of the screen
until E-Tuner is connected. This icon will turn into a green check mark when E-Tuner is connected
with the ECU.
To Stop a Bluetooth Connection: Press the "Green Check Mark" icon. The icon will return to
a "Red X."
Bluetooth connection will also be stopped each time the app is closed. If the flashing yellow bar
is active on the menu, the Connection Button can be pressed to open a popup with quick access
to the Paring Settings Menu. The E-Tuner app is programmed to try connecting to an ECU for
several minutes before stopping.
Notes on how E-Tuner connects to the ECU:
- If the ECU was connected and the E-Tuner app is closed, the app will try to reconnect the
next time the app is resumed.
- E-Tuner will try re-connecting automatically if connection is lost on any of the Gauge
Display menus.
- If the app is having a hard time connecting, the best recommendation is to turn the ignition
off then back on.
- If the ECU is power-cycled while the app is connected, E-Tuner may take a little longer to
re-synchronize and connect.
Air Fuel Ratios
Specifies the AFR Setpoints at Idle, Cruise, and WOT conditions.
○
Idle is applied for RPM < 1400 (Default AFR: 13.4)
○
Cruise is applied for RPM > 1400 and Throttle < 50% (Default AFR: 13.9)
○
WOT is applied for RPM > 1400 AND Throttle > 50% (Default AFR: 12.8)
Acceleration Fuel
Acceleration fuel adjustments provide more or less fuel during quick accelerations and throttle
openings. Values adjust the amount of fuel (%) and the duration (seconds) applied. If the engine
stumbles or hesitates on accelerations, this menu can help troubleshoot and fine-tune those
conditions. WARNING: Do not attempt to tune any acceleration fuel trims until the vehicle
has had adequate time make the necessary self-learn trim changes.
ADVANCED TUNING MENUS
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