its on the trottle body
The 1991 Acura Integra idle air control valve can be found on the firewall. The valve will be on the drivers side of the firewall.
There isn't a water control valve. The airflow is directed around the heater core by a door to control temp.
The idle air control valve is located on the throttle body, and the EGR valve is located on the intake manifold.
The air control valve on a 1991 4.3 S10 is on the engine. Kindly refer to your usual manual to see the exact point, where it is located. The Idle Air Control is attached to the base of the throttle body.
The idle air control valve is located next to the throttle body. It is connected to the air cleaner hose on the top of the engine.
Inside the passenger side tire...
Evaporative canister purge control valve circuit fault
You need to replace your IAC Valve (Idle Air Control Valve) It's located in the back of Your Intake Manifold.
it is on the throttle body. usually held in by two screws.
Could be your Idle air control valve.
replace the Air Idle Control Valve for starters
Check Related Link below. It shows you a picture too.