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its behind the air filter
The 2004 Chevrolet Cavalier idle air control valve can be found on the firewall in the engine compartment. The valve will be on the passenger side of the firewall.
The idle air control valve on a 2004 Trailblazer is located inside the coolant system. This valve regulates the air that comes into the cabin.
In the Engine Bay.
behind the throlt body
The idle air control valve on the Chevy Colorado actually controls the speed of your engine's idle. The valve is sometimes called the idle speed control valve.
Idle air control valve diagram
The idle control valve for your 1995 Nissan Maxima can be found on top of the engine. The idle control valve will be attached to the back of the injector fuel pump.
Is it inside the engine it self on top
There isn't one. Only on a 2004.
The idle control valve works by regulating the idle speed of the engine. The idle speed of the engine is usually controlled by the engine of the computer.
The IAC (Idle air control) valve is bad and needs to be replaced. Its about $200 parts and labor.