Where is the IAC valve on a mercury mystic?

The Idle Air Control (IAC) valve on a Mercury Mystic is typically located on the throttle body, which is found on the intake manifold. It may be positioned on the side or the rear of the throttle body assembly. To access it, you may need to remove any obstructions like air intake ducts or covers. Always refer to the vehicle's service manual for specific diagrams and detailed instructions.