it is open at idle to allow air to bypass the throttle body into the intake manifold
by the idling air control valve
The idling speed is automatically sensed ....and set by the Air control valve
Stepper idle speed actuator in carbureted vehicles it is used to control the engine's idling RPM. It also regulates the position of the throttle valve plate.
Clean the throttle body or replace the idle air control valve
Try replacing the idle air control valve (IAC)
In the open position
yes it will , also check all vaccum lines.
You can adjust the idle air control valve on a 1992 1500 truck while it is just idling. This is done if the truck is idling too fast or too slow. It will help the truck run better.
It's not a part, there are parts... First of ECU, then EGR valve, idle control valve, MAP sensor, oxygen sensor.
Could be your Idle air control valve.
A spring device which maintains the spool of a directional control valve in position.
Try cleaning or replacing the idle air control valve (IAC) located on intake manifold next to EGR valve.