it seems there a small screw back of the intake but the idle is control by the ecu.
You do not adjust the Idle Air Control as it is controlled by the computor.
you can adjust it via the idle control valve.
The idle is control by the idle air control motor from outputs from the Engine Control Module.
You don't. The ECM (Engine Control Module) maintains the correct idle speed. If the idle is out of control you probably have a vacuum leak.
idle air control sensor adjust and meters how much fresh air is let into the engine at idle speed to maintain a preset RPM
It could be the Idle Air Control (Idle speed control) valve. Its located on the left side of your TBI and has an electrical connection.
You can not adjust the idle screw, it is sealed off at the factory. If you are having a high idle problem check for a vacuum leak or a bad idle air control valve. These will commonly cause a high idle.
You can't adjust it, you have to replace either the IAC ( idle air control ) sensor or the TPS ( throttle position sensor ) to fix a bad idle.
Idle on a 1985 Honda Civic is adjusted through a idle air control valve. This valve is located near the intake. Adjust the valve by either loosen or tightening it.
Idle speed on a Dodge Neon is not adjustable. Idle is computer controlled with an airflow control motor on the throttle body.
To adjust the idle on a 2005 Honda Civic locate the idle control valve. The IACV and is found near the intake manifold. Open the top of the valve and tighten it to lower the idle or loosen it to raise it.