I JUST GOT A 1986 CHEV C 10 FROM MY BROTHER , HAS 42.000 ON IT . TRUCK IS IN GREAT SHAPE . DROVE IT TODAY . WAS HARD TO START . I KNOW IT MIGHT NEED SOME NEW PLUGS. BUT WHEN I WAS DRIVING. IT IT STALLED . IS THIS A PROBLEM WITH THESE TRUCKS OR GAS FILTER TUNE UP OR WHAT. OR ARE THIER CODES THAT MIGHT NEED TO BE TAKEN CARE OF