during a long pull up a steep grade with a very heavy trailer my 03 died and seemed overheated though the temp geauge showed approx. 215 degrees and did not want to restart. after cooling down it will start and idles very rough and has NO power. any ideas?

 

Kinda sound like an injector? Any smoke out the tail pipe what about oil level? Check the oil for water or possibly fuel, and check the radiaitor to check the level of it. Usually will get oil in the radiator too.