Programmers vs. Tuners: What’s the Difference? A lot of people drive diesel vehicles, but not everyone’s truck is driving as optimally as it could. Your engine has a lot of untapped potential, and if you want to bring out that potential and boost your engine’s performance, it’s time to invest in a diesel tuner or programmer. Both can help your truck go to the next level, but to understand which is right for you and your truck, you must understand the difference between programmers and...
