Serving Columbia City and the surrounding areas

Quality Auto and Truck Repair | Auto | Columbia City IN instagram facebook quality diesel logo

EFI Live Tuning for Your Engine

Take advantage of this revolutionary new tuning process when you bring your truck to Quality Diesel Performance today. Available for the Duramax and Cummins engines, this tool allows you to record data in great detail, as well as program the fueling and other parameters any way you desire.

Take full control of your engine

  • Change between 5 different tunes at will

  • Valet and staging modes

  • Real-time variable pulse width control

  • Change transmission shift points

  • Manually control gear selection

Contact us today


You can rest assured that when you bring your truck to us, it's in the very best of hands. Our industry-standard ASE certification means we can handle all your vehicle’s issues.

Call us with all of your EFI Live Tuning questions today

This state-of-the-art tuning tool allows a computer to look and alter the maps and tables stored in your truck's ECM. This gives you unprecedented control of your vehicle.


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