From what I have been able to gather, part of the issue lies from the 2011 MY Ecoboost F-150 having a .050" gapped spark plug, where as the 2012+ MY trucks are running a tighter gap.
The real issue seems to stem from a problem with the charge air cooler allowing condensation to build inside of it causing the loss of power.
I expect to see Ford issuing a TSB to take care of the issue pretty soon.
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