i have got rid of all my codes and my light is not on anymore,but my car dies when u start it when its cold,it has done this since i have had it and i dunno why.anyone have any ideas?it idles good and it doesnt surge but when its cold it always dies,also does anyone know the belt length needed to get rid of smog pump,and how hard it is to plug the heads or should i plug the tube up?will the two solenoids cause my light to come back on,how should i go about fixin them?