I've worked on my 1995 GMC. I'm a newbie but need some help. I've replaced all this and it still skips when in drive and at a stop.No cel is on new cap rotor button plug wires plus coil knock sensor idle air control valve map sensor fuel regulator fuel filter fuel pump 2 months ago redid vacumn lines n did rebuild of injectors. Don't know what else to do?
JWFirebird yep I replaced egr valve just forgot to list dang done so much to it . I'll get ignition module today n see what that does. Thanks for your help sure wish we could go back in time to the 70'*.