The idle air control valve (IACV) is a device attached to the throttle body that helps keep the engine of a vehicle running without throttle input, such as when the car is idling in traffic or parked ...

Idle problems can often, but not always, stem from a failing or clogged idle air control valve, a small part adjacent to the throttle body that does exactly what its name indicates. Fortunately ...

Question: I have a 1999 Chevrolet Silverado ... It’s also possible your idle air control motor is going bad. The idle air controller is simply a computer-controlled motor that controls idle.

Improper blow-by control can ... the intake at idle either, since the idle air-fuel mixture needs to be precisely controlled. For this reason, a properly functioning PCV valve restricts the ...

Cleaning the idle air control valve (IACV) on your vehicle periodically helps keep carbon and other particles from building up on the valve, which can negatively affect the operation of the car.