Originally Posted by manslayer
Car idles at 2.2k RPM all the time. When I'm driving at about 60 mph on the free way, it's up to 4.5k RPM. When I stop, it is back at 2.2K RPM and sometimes it goes up to 2.9k and drops back down to 2.2k but never lower. There are no leaks at all. What do you think?
major vacuum leak or a terribly leaky IAC or fast idle valve. If you don't know how to find this yourself, you should have somebody look at this before you prematurely wear out your transmission, mounts, etc.