The 2011 Ford F-250 has 263 problems & defects reported by F-250 owners. The worst complaints are suspension, transmission, and engine problems.
2011 F250 6.7L First Impression: 6.7L Break Down and Inspection This video gives an overview of the changes that have been made in the 6.7L engine : 6.7L Turbo Failure The 2011 and 2012 6.7 is prone to turbo failure. This is what it sounds like. 6.7L Powerstroke Catastrophic Engine Failure This video shows you what improper tuning can do to your engine.