Hesitation problems when stepping on the gas

What is your question?

My 2007 f450 gas started idling rough when I stop a month ago now today it started to hesitate when I press on the gas hard an the check engine light came on when tht started to hesitate what could be the problem it ran rough idling an the check engine light never came on only when the hesitation started

What makes this problem better or worse?

When engine is hot

How long has your 2007 Ford F-350 Super Duty had this problem?

One day