1 definition by Corndoghole

Top Definition
PCV stands for positive crankcase ventilation and it is a vacuum controlled valve on or near the valve cover of an engine that removes blow by gasses from the crankcase and allows them to be reburned
That oil leak could be caused by a defective PCV valve.
by Corndoghole July 23, 2008

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.