I have been searching the net for someone else with this issue. I have an 87 civic sedan that has the 1.5 in it. I just had a major tune up but now I'm playing the role of automatic choke. It takes 3 to 5 minutes before I can get any kind of an idle. Sometimes smooth sometimes not. Someone mentioned the O2 sensor but in my research it doesn't seem to fit the issue. Did you figure anything out? Much appreciated!