Check the throttle plate adjustment. The stop screw may be adjusted such that the plates are not completely closed or the throttle cable may be holding them open slightly. Harold McElraft - 3354 --- In dmcnews@xxxxxxxxxxxxxxx, "stefandmc" <stefandmc@...> wrote: > > So this is what I did, I just replaced my idle speed motor with a > brand new one which works perfect, however on a cold start the engine > idle fluctuates from about 600 rpm to 1500rpm very violently, but I > adjusted the fuel mixture and the car idles perfect when warm its just > on cold start that it idles bad. I dont have any vaccuum leaks that I > know of, plus I had a mechanic check for vaccum leaks with some macine > a few months ago. So im not sure what to check. Any ideas? > To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/