Intro: A graph of your car’s idle speed shouldn’t resemble architectural plans for a new Cedar Point roller coaster. Once the car warms up to normal operating temperature, it should run in a smooth ...

Wingman, the new air flow control product from Airman Inc., has demonstrated a more than 9% increase in a miles-per-gallon live test, the company says. The "mini-skirt" was installed on a Class 8 ...

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 ...