1995 gmc ???
I change spark plug and wire to day i know i didn't cross the wire because i took one out and put it right back. any way after i change them and started it back up it act like it is longing you get in to it it there. i check to mail and my exhaust smell rich or kind of gases. is it normal or do i need to check something. the truck is a 2500 serie 250195 miles never done it be for