Under the hood passenger side all the way in the back of the engine.
Malfunction with the Idle Air Control valve.
Hope you have small hands and the right tools.
There really isn't an adjustment just the IAC valve which may be dirty causing the idle to be too high or too low so the Idle Air Control valve has to be cleaned or changed.
It means that the Idle Air Control valve needs attention.
Don't know what you are asking about the IAC, Idle Air Control, location is passenger side of the engine in the back of the intake. Really a pain to get at but if your idle is out of whack, the Idle Air Control valve either has to be cleaned or replaced.
May be your IAC valve (idle air control) they get dirty inside and make your idle act up. Back of the engine toward the passenger side, two bolts and hard to get at.
No automatic choke, has fuel injection. IAC valve (Idle Air Control) valve controls that
Sounds like too low an idle, dirty throttle body, dirty idle air control valve, or vacuum leak, could also be pcv valve. This will also occur when a compressor is attempting to lock up... www.acpartshouse.com
Do you mean that it doesn't idle good? If you are having idle problems and everything else checks out, then I'd say it's the IAC valve (IDLE AIR CONTROL) valve which is easy to change on the second generation Marks, on the top of the intake drivers side.
Low idle on a Lincoln Mark VIII can be caused by several factors, including a malfunctioning idle air control valve (IAC), vacuum leaks, or issues with the throttle position sensor (TPS). Additionally, dirty fuel injectors or a clogged air filter can disrupt the air-fuel mixture, leading to unstable idle. Regular maintenance and diagnostic checks can help identify and resolve these issues.
cruise control switch
in my Lincoln mark 8 1993, it was a sticky cable on the cruise control try disconnection the cruise control cable from the throtle body