What Does An Idle Air Control Valve Do? The idle air control (IAC) valve is located on the throttle body of fuel-injected engines, where it works with the vehicle’s ECU to electrically regulate airflow to the engine to ensure smooth idling. What happens when the idle air control valve goes bad? If the idle control
Where Is The EGR Valve On A Ford F150? Open the hood of the F150 and locate the exhaust gas recirculation valve. Look for the valve on the engine intake manifold; the valve is a small, circular, metal component. Where is the EGR valve located? The EGR valve is usually located near or attached to
What Size Line Should You Run From The Relief Valve On A Residential Water Heater? The pipe leaving the relief valve should be the same diameter as the exhaust port of the valve — usually 3/4 inch. Moreover, the pipe should be made of a material that is not adversely affected by heat, such as
Where Is The Vacuum Check Valve Located? So, where is the booster check valve located? You’ll find it at the brake booster vacuum inlet, connecting to the vacuum hose from the engine intake manifold. How do I test a vacuum check valve? Vacuum Inlet Check Valve Test: To test the vacuum check valve, disconnect the
What Causes Exhaust Valve Pitting? I’ve asked a few engine builders over the past couple days and one seemed confident that the pitting is caused by the stem seals leaking and oil running down the valve, then burning and “sticking” to the exhaust valve. It makes sense, as the #2 cylinder in her car also
Does A Tankless Water Heater Need A Pressure Relief Valve? Pressure-relief valves are an essential component of tankless water heaters. The valves allow you to manually release air from the heating chamber when filling the chamber with water for the first time, or during periodic maintenance. How do you install a pressure relief valve on
What Causes Pressure Relief Valve To Open? When water is heated up inside of a water heater, thermal expansion causes the pressure inside of the tank to build up. … If the temperature’s or pressure in your tank exceeds a certain level (often times 210 degrees and 150 psi), the relief valve opens up and
What Is An Unloader? The unloader diverts the flow of water from the outlet side of the pump back to the inlet side, causing water to flow in a loop back to the pump under virtually no pressure rather than to the nozzle under operating pressure. Flow may be directed back to the pump inlet
Does The PCV Valve Need To Be Replaced? There is no specific lifespan for your car’s PCV valve. It lasts as long as it lasts. Regular maintenance will help provide a longer use life, while neglecting your regular oil changes will shorten it. Ideally, the PCV valve should be changed with every major scheduled service
Can You Drive With A Bad EGR Valve? Can I drive with a bad EGR valve? Technically, you can drive your vehicle with a bad EGR valve, but your vehicle will run rough, shake at idle, and a check engine light will be illuminated. You might also hear popping sounds while driving down the road.