: The Enlightenment during the 17th â 18th century produced philosophers and scientists who focused on human reason and rational thought to solve problems and provide ethnical systems for living. Enlightenment thinkers believed in natural over supernatural forces or laws.
A purge valve is the part of the vehicle Evaporative Emission Control (EVAP). system. The EVAP system prevents fuel vapors in the fuel tank from escaping into the atmosphere.
How to Check. If the EVAP system is properly sealed, the most common cause of leak can be in the gas cap, purge valve, vent valve, and connectors and hoses. With this error code, the first thing you need to check is the gas cap. If the gas cap is loose or open, then close it tight.