SCT Performance tune question.
bought my Mustang about a year ago a 2009 GT 49th anniversary edition with 2000 miles on it. When i went to get the car in the trunk i found a SCT custom tune. I didn't do anything with it until one day I decided WTH lets see what this is. After doing a bunch of research online I finally plug it in and did the 93 Octane as I have always put 93 gas on my stang. Problem was that it didn't run tight with the Tuner ot would skip and chip the tires the engine light would come on just not a good experience so I went back to stock and haven't used the SCT tuner since. Can anyone recommend what I should do with this Tuner , could I call act and maybe getupdated?
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