Duramax Struggling
Did search, no results, maybe because it's a dumb question. Anyway, 2003, GMC 2500HD pulling a 30 ft 5er in the mountains. Have driven this route before with no prob. Yesterday (Mon 17th) different st...
Forum Discussion
get the fuel filter changed and carry the truck to the gm shop to see about the CEL and the fix... Or find a good transmission shop in your area...most of those are private home owned type places...but I'm guessing not many work on teh allison.
