Your Turbo is not providing boost.
The optional diesel engine in an '04 F250 Ford is a 6.0L V-8 Turbo Diesel made by Navistar (International)
7.3 Liter Turbo
7.3L turbo
over fueling egr problem restriceted intake air system or CAC tubes or clamps loose turbo problem.
blue smoke is normally related to fuel problem. there is so many things that could cause this that it is best to have it checked by a technician that you trust.
go to a mechanic
on the timing cover sensing the damper
10000 Lbs @ 2500 rpm
Have the engine checked, your turbo may have quit working, you may have noticed a lot of black smoke lately while driving, it means there isn't enough air to mix with the fuel.
The 6.0L Powerstroke turbo diesel engine produces 325 bitchpower. yea that's right.....bitchpower
In 1992 the only diesel engine ford offered in it's F250/350 trucks was the 7.3 IDI naturally aspirated diesel. It wasn't a powerstroke engine. Powerstroke engines were introduced in 1994 and were direct injection diesel engines. A 1992 7.3 IDI did not have a turbo.