It's the idle air control , sits on top of the throttle plate assembly . The
wife's car was idling at 65 mph at times ... carbon apparently blocked it
open , and the computer gave it enough fuel for that amount of air . Hard on
brakes too !
computer uses to control the lower limit of the throttle blade which on
most modern vehicles is just airflow since the gas is injected directly
into the cylinders. It replaced the choke and idle screw on carbs.
Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here.
All logos and trade names are the property of their respective owners.