If the thermistor that is connected to the idle ECU fails (open) the car will idle at about 2500-3000 rpm. A quick check is to unplug ONE of the idle ECU connectors - the one that's toward the passenger side of the car. You'll have the same effect, it will open the idle motor wide open. If everything is working. --- In dmcnews@xxxxxxxxxxxxxxx, "Tom Tait" <TTait@...> wrote: > > Thanks guys. > > > > David - I'll check the linkage tonight. I did a minor adjustment on the > stop screw and the microswitch screw yesterday, but I didn't think to > re-adjust the link arm. I can see how operating temp might affect this > linkage and the throttle plates, but the idle does immediately drop to > normal when I unplug the idle speed motor, so I'm not so sure... > > > > Chris - I'm sure I already know what will happen when I unplug the ECU, > Idle will drop to normal. I've already tried this by unplugging the > idle speed motor(s). > ------------------------------------ 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/dmcnewsYahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/dmcnews/join (Yahoo! ID required) <*> To change settings via email: mailto:dmcnews-digest@xxxxxxxxxxxxxxx mailto:dmcnews-fullfeatured@xxxxxxxxxxxxxxx <*> 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/