2006 6.0 engine miss ?
 

one owner 2006 = 6.0 f350 2wd dually , 80,000 miles pure stock , starts idles fine , raise rpm above fast idle has bad miss /no power , ran great till it started acting like this today..............?

Have you pulled the codes? You can still have codes set even if your wrench (CEL) light is NOT on.

Sounds like injectors to me. Or FICM. Look here: http://www.ford-trucks.com/forums/89...procedure.html