On a 1999 Lincoln Continental, the idle air control valve (IAC) is typically located on the throttle body. It's a small cylindrical component that is often mounted on the side or top of the throttle body assembly. To access it, you may need to remove the air intake duct and possibly other components for better visibility and reach. Always refer to a repair manual for specific details related to your vehicle.
Throttle body
on the passenger side of the throttle body
The 99-2002 camaro 3.8 V6 doesn't have Idle air control valve. It is drive by wire control. Many of the parts dealers have the wrong data that 95-02 3.8 camaro have the same Idle air control valve location, and sell the wrong part.
IDLE AIR CONTROL VALVE (IAC)Definition: An electrically-operated valve which allows air to bypass the throttle plate in a fuel injected engine to regulate engine idle speed.Buy it new; it doesn't even pay to clean it. It works half the times. But it will go bad eventually…
remove and clean the idle air control valve( iac ), and or replace unit. located on back of throttle body housing. try this first.
the idle air control valve most the time
A 1999 Dodge Ram does not have a water control valve.
99 Durango doesn't have a Heater Control Valve, It only has a thermostat
It could possibly be the idle air control valve (IAC).
check the pcv valve and hoses if there is a vacuum leak here it wont idle
The Ford Explorer uses an idle speed control valve that allows air to flow thru the idle air passage inside the intake manifold. When this air passage gets clogged up with carbon or grime it restricts the passage & the result is a loud humming / moaning noise. The repair is to remove idle speed control valve & spray carburetor cleaner or intake cleaner thru air passages inside intake manifold & clean or replace idle speed control valve.
To fix a high idle in park condition on your 99 Saturn SL2 with a DOHC 1.9L engine, you can try cleaning the throttle body, checking for vacuum leaks, and inspecting the idle air control valve for proper operation. If these steps don't resolve the issue, it may be a problem with the throttle position sensor or engine control module that requires further diagnosis by a mechanic.