Mercury Marquis Idle Air Control Replace/Remove

Code P0506 , "idle Air Control System Low." Should The Valve Be Replaced Or Cleaned? Affect Mpg? Local-8-10. Hwy. 13-15. Long...

Igh Idle On Mercury Grand Marq. I Replaced Idle Air Contronl Valve. What Is My Problem?

My Car Just Recently Started To Have This Problem: When I Stop At A Stop Sign, Etc., It Stalls. Car Stays On, Radio/lights/battery Still...

Installed New Iac Valve ,i Park The Car With Engine Running And It Shut Off ,also When Idling To Long It Shut Off Also,fuel Pressure Is...