i have a 95 5.8l that i cant get the check engine light to go off i have done plugs the o2 sensor all the codes it has said but the light wont stay on comes on at about 1/8 mile driving ant ides ??????????

 

Don't have a clue what your code was then, A rough guess is a bad Cat. Your code should be the obvious pointer. It may simply be a crack in a vacuum hose. With it being a 2005 I would pull up a good OBD II code reader and go to freeze frames and look for obvious sender malf.