Post Your Best Car Fails Here!

Well... Not fox related, but still a fail on my end.

A few weeks ago, I returned my coyote to stock to pass emissions. Afterward, I mistakenly loaded in a "canned" tune from a popular vendor instead of the custom tune from AED which it had before. (I just learned what my mistake was a few minutes ago.) Anyway, I knew something was up because the car lost a ton of low end power and had a nasty surge in the upper limits.

Im not here to say canned tunes don't work for everyone, I'm just saying in my particular case, the custom route yielded a ton more power - and it was much smoother.

Anyway - So what was my fail? Attempting to mod my car without first researching what I was doing and going at it competently. Lesson learned there. Last night I tried to figure out what the issue was and may have bricked the ECM. Let's hope I can undo my doing tonight when I get home. Fortunatley, I still have the fox to get me around.