My 1996 Sho Runs Crappy.it Runs Like Its Out Of Time But No Cam Trouble.i've Had It On A Snap-on Computer And It Wont Give Any Codes.what Could Be Wrong?i Have To Hold It To The Floor To Keep It Running,and It Wont Idle.could This Be Coils Or The Plug Boots Or Pray That It Will Heal Its Self.the...