Idle Mixture Adjustment
WARNING: This page is about a different car, the 1995 Ford Windstar, 1995 Ford Ranger, and 1995 Ford Aerostar. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Idle mixture is not adjustable. If idle mixture is incorrect, see TESTS W/CODES - EEC-IV (3.0L)
article in the ENGINE PERFORMANCE section.