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 ...

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 ...

A bad idle control valve can cause a multitude of issues with your car. Check out the Drive’s Garage Guide to identify the signs of a bad idle air control valve.

The lesson is: Valves matter to help improve driver safety and comfort. This article focuses on proper troubleshooting, maintenance, and upkeep of valves in a compressed air system.

Three different hydraulic-over-air relay valve designs are available: single, dual, and tandem.The valves accommodate 150-psi maximum air pressure and 2,000-psi maximum hydraulic pressure.

Two valves are needed because after leaving the supply tank, air in the system splits into two separate and protected brake circuits that are divided between the primary and secondary reservoirs.

ASCO air valves and manifolds offer suspension builders greater performance and more efficient system installs. ASCO valves feature 300-psi inlet pressure capability, a DIN connection for easy ...

Air system maintenance on trucks is critical in the winter; less than a teaspoon of water could disable a truck in a winter deep freeze. Here's why, and what you can do about it.

For starters, it hardwired the connection from the turbo air control valve to the ECM so that it could no longer shake free and lose its connection as a result of over-the-road vibrations. It also ...