missing?

[stuart m]

hey guys. i have an 05 6.0. ive developed a miss or studder in the engine. it has 112000 miles on it. always been well maintained. no adders. i seems to go away when i throttle it up, but now its missing while driving at normal speeds. any ideas?.. thanks

[HAM_RADIO_MAN]

Any codes, repair history, mods? To get a internet diagnosis that has any value at all to you, we will need as much data as you can provide.