: 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.
Error code P0455 appears when the engine computer detects a large leak problem in the EVAP system. Normally, the EVAP system is sealed tight, as its main purpose is to keep gasoline vapor from escaping the fuel tank to the atmosphere. Fuel vapors are sent to the charcoal canisters through the hoses for storage.