What is it?
A Positive Crankcase Ventilation valve is an element of your vehicles emission system.
PCV valves are key to keeping your vehicle running trouble free. The PCV valve is a spring-loaded valve with a specific orifice size designed to restrict the amount of air that's siphoned from the crankcase into the intake manifold.
A Positive Crankcase Ventilation valve is an element of your vehicles emission system.
The PCV valve connects via a hose to the crankcase.
It moderates dirty air and gases from crankcase.
The leftover material is then returned to intake manifold to be burned again in the combustion chambers.
Most are drawn, stamped or molded material that has a valve that controls the flow from the crankcase to the air filter box.
Over a period of time, 12 months or 12,000 miles, the valve can be become clogged and or restrictive.
It comes off the crankcase and release fumes that can be corrosive, sticky and or carbon filled. All can lead to restriction and or failure.
Rough idle
Tough starting
Poor fuel economy
Check engine light
No start
Sudden engine failure
Poor fuel economy
Failed emissions
If you have questions or concerns about pcv valves or any of your vehicle’s components, come into your local Pep Boys where we can answer any question, help you find any part, or perform any vehicle service you might need.
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