check your fuel bypass or fuel regulater
The idle adjustment screw of the idle control valve is what needs adjusting. Either opening or closing the valve moves the throttle plate and adjusts the idle.
A good chance its the Idle Control Valve
A bad fule system or dirty. SILK( gas treatment) and change you fule fileter. U probably been driving on empty alot due to our shittt ecomony
I would check for a vacuum leak first, then the idle solenoid which is located on the side of the intake plenum.
Idle speed control or Idle air control.
Either the throttle plate is sticking or the idle air control is not responding to ecm signal.
Idle is computer controlled and can NOT be adjusted.
The most probable cause is it requires servicing.
won't idle
The Idle Air Control (IAC) valve is mounted on the throttle body
10psi is minimum. Normal would be 30 at idle, 60 at 3000 rpm.10psi is minimum. Normal would be 30 at idle, 60 at 3000 rpm.
There is none. It is electronic. Try replacing the idle motor.