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. IDLE AIR CONTROL VALVE (IAC) The (IAC) is located under the Triton Plastic cover in the middle of the engine compartment. Very easy to replace. There are two bolts and one plug.It should only take you around 10 or 15 minutes to change. Buy it new; it doesn't even pay to clean it. It works half the times. But it will go bad eventually…
Need to erase keep alive memory then idle for at least 15 minutes
There isn't one. Only on a 2004.
A bad IAC (Idle air control valve) or a vacuum leak or both.
Trouble code P0506 means: Idle Air Control System RPM Lower Than Expected
Check the idle control control sensor.
Idle Air Control Overspeed Error
On the throttle body
The idle is controlled by the powertrain control module ( computer )
Speed Sensor The sensor is located on the rear axle housing.
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 compartment