Project Mustang 5.0: Data Logging, Tuning, and More with HP Tuners nGauge


Now, to navigate the nGauge’s various screens and menus, you simply touch the parameter you wish to modify.  It is quite user-friendly and intuitive.  To go back to the main menu, touch any parameter on the ‘Gauge to get the following menu:


And then select “Exit Gauges.”  This returns you to the Main Menu…


…Where you can install new tune files by clicking on “Tuning,” or run OBD-II diagnostics and change basic settings by clicking on “Diagnostics.”

The Diagnostics menu allows you read and clear any trouble codes or check engine lights you may have stored in the PCM.  It also allows you to change settings such as under what conditions the nGauge turns on and off.  (For reference, I’ve found the best setting on a Mustang to be wake up and sleep with alternator voltage, meaning the nGauge turns on when it senses the increased voltage output by an active alternator and turns off when it drops back to battery voltage.)

The Tuning menu allows you to flash a new tune file to the PCM. Having multiple tune files allows you to, say, run 110-octane fuel and a higher-boost map at the track and switch back to a 93-octane map for the drive home. Having the tuner permanently mounted makes this very convenient, since it’s one less thing you have to remember to bring with you to the track.

As I hinted at previously, there are scores of devices on the market that will flash a new tuning file to your PCM. The real advantages of the nGauge, however, are in its gauge and data logger functions, so we’ll focus on those.


Gauges and Data Logging

One of the primary purposes of the nGauge is to be a gauge. To that end, it has several different configurations that can be used to display data. The default one is the “Quad Gauge”:


To change any of the parameters (or to go to another gauge), simply tap on one of the items.  That brings you to this menu:


Selecting “Display” will let you change the color of an item, including setting different colors for low and high. (Note in the previous shot that my ECT is colored blue because it’s low.) To scroll through the different gauge configurations, tap on the arrows to the right or left.


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