>From your description you probably have a defective idle speed motor or idle speed ECU. Regards, DMC Joe/Help Club dmchelp@xxxx Information & Store http://shopping.oraclesmallbusiness.com/dsvstore DeLorean Website Directory www.dmc.tv ----- Original Message ----- From: "stevepeck1" <stevepeck1@xxxx> To: <dmcnews@xxxxxxxxxxxxxxx> Sent: Sunday, March 31, 2002 9:11 PM Subject: [DML] Idle speed blues. Still need suggestions please. > This week, I read in the archives that the three brass screws on the > intake manifold are to be lightly seated. Did that, and the car now > idles at 600RPM with no accessories on. > > The idle motor seems to work. It vibrates with the engine off. I am > unclear if it works when the engine is on, as it is difficult to tell > if the vibrations come from it or the engine. When I unplug it with > the engine running, there is no difference in the idle speed. When I > plug it back in the idle speed changes for less than a second and > returns to about 600. > > The frequency valve on the right valve cover buzzes like an angry > hornet, and the full throttle switch when pressed increases the idle > about 50 RPM, so clearly it functions and the connections are good. > > Begging for suggestions. I've searched the archive for HOURS!. > > -Steve #3302