Unplug the ECU and start it up. If it's back to normal, you need a new one. Coincidences happen. Chris 6301 Michael & Denise <luckeys71@xxxxxxx> wrote: Once again I must ask for the assistance of the experts on the DML as I can't seem to solve an idle problem I am having. Here's the background:I recently replaced the butterfly assembly in the air induction and everything seemed to go back together quite nicely. Upon starting the car I found that the idle had jumped up to 3000 RPM so I began to systematically check the usual suspects. All of the vacuum lines have been replaced and are connected, the brass screws on the assembly are tightened down, the throttle plates seem to be operating normally, the microswitch has been adjusted, and the O rings in the air horn have been replaced to make sure they are not faulty. Furthermore, the idle speed motor had previously been removed and tested by Dave Sontos when we were removing the air intake and was functioning properly. When Dave and I were 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/