Well it didnt take long, and to be honest, I received pro and con as to possibly buying the above mentioned truck. I still want to ask the dealership about repair and possible recall. I found this article through wikipedia. I might check the VIN for production dates. The following was copy pasted.

Costly lemon

In its lawsuit, Ford said the old diesel suffered malfunctions with the fuel system, turbocharger and engine management software. Some early engines made in 2002 and 2003 were so bad, Ford repurchased at least 500 trucks from disgruntled consumers.

Launch in Limbo: Engine dispute threates Ford's Super Duty production | Autoweek