Intake Air Control Solenoid
WARNING: This page is about a different car, the 1995 Lincoln Mark VIII. However, it is still accessible from the selected car via links, so may be relevant.
With engine off, wait 10 seconds, and then disconnect Intake Air Control (IAC) solenoid. Solenoid is mounted on firewall side of intake plenum. Using an ohmmeter on 200-ohm scale, check resistance between IAC solenoid terminals. Resistance should be 50-100 ohms. If resistance is not as specified, replace solenoid.