97 f350 348,00 rough running help!!!!!!
 

Ok so i bought this truck a couple weeks ago. Ran just great. Pulled a camper with it and all. Drove it down to base to see my brother. About a 2 hr drive. Drove wonderfully. All of a sudden it acted like it was starving for fue. No power. Rough idle. Barely pulled it self up a hill. Limped it to my bros house at bragg and it just limped barely. No smoke. No c.e.l. let it cool down and it fired right up no problem. Ran great. Drove it it about 6 to 8 miles. Got up to temp and ran fine for about 10 min and bam!! Same thing over again. I have noooo idea where to start. Any advice would be wonderful. Thanks!!