Prior to Step 1- ensure your nGauge tuner has the microSD inserted, and that the OBDII cable is plugged in to the OBDII port of the vehicle.
Step 1 – With nGauge plugged into the vehicle and powered on at the main menu, select “Tuning” from the main menu.
Step 2 – In the “Tuning” menu, select “Load Tune”.
Step 3 – A screen will display with right and left arrows. If you have more than 1 calibration, select which to load by pressing the arrow keys to scroll through the them
Step 4 – Select the calibration you want to load by tapping the check mark. The nGauge will confirm “Flash this tune”? Tap check. Confirm time to flash in next screen by tapping check.
Step 5 – When prompted to Turn Key On, make sure to turn the key on without turning on ignition.
Step 6a - 2017 and 2018 Ford F150 and Raptor with the Gen II Ecoboost 3.5 V6 skips this step because stock gets saved manually by the customer. Move to step 6b. [First time installing MPT Calibration] – The nGauge will begin saving the stock calibration. Once the nGauge begins saving stock, DO NOT unplug the nGauge or turn the key off. When the stock file is saved, the nGauge will let you know that it is now Downloading the MPT Calibration.
Step 6b - [With MPT Calibration already installed] – The nGauge will begin downloading the MPT calibration into the vehicle and will let you know that it is now Downloading the tune.
Step 7 – Once the nGauge completes loading the MPT Calibration into your vehicle, it is installed. It will inform you that it installed successfully, and to wait ten seconds until starting the vehicle. Once ten seconds passes, start the vehicle.
If installing an MPT Calibration for the first time, the nGauge will inform you of the name of the stock file read from the vehicle for future use. It should simply be the VIN number of the vehicle followed by “.stk.” You can take the nGauge back to your computer to back this file up if you would like, or just leave it as is for reinstalling into the vehicle to make it 100% stock.