Adjusting the MPG Reading on a Bully Dog GT Tuner to Read Accurately.

    November 11th, 2020


    How to adjust the MPG reading on a Bully Dog GT tuner to read accurately:


    First, you need to figure out what percentage the MPG reading is off by. 

    1. Figure out the percentage using this formula: GT average economy minus calculated economy divided by the calculated economy. 

    2. On the tuner go to Main Menu->Vehicle set up/settings->Adjust economy display. 

    3. Increase, or decrease by whatever percentage you are off by.  


    *Increase the percentage if the GT is reading lower mileage than you are getting. Decrease the percentage (go negative) if the GT is showing higher mileage than you are getting.

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