Trying to get my son's Mustang to a point where I can sell it. I've already replaced this car with a 2015 Fusion - which is completely stock - and whaddaya know...it's perfect. Zero problems. But I still need to sell this one.

It's a 2010 V6 4.0L Convertible, 106,000 miles.

Mods are long tube headers, Flowmaster true dual exhaust, BBK CAI, and Bama tune.
Tuner is up to date and I've tried the Sport, Race, and Stock modes. I didn't install any of this crap. All of it was on it when my...

Nightmare 2010 V6 issues