Part of the car’s emissions controls, this charcoal-filled canister’s job is to absorb fuel vapor that would otherwise vent out to the atmosphere, causing pollution. Vapors trapped by the charcoal are ...

Gasoline fumes contain a variety of hydrocarbons that constantly evaporate from the engine and fuel tank into the atmosphere. If the fuel is in the atmosphere, it can cause pollution, even if the ...

A purge valve is a component in a vehicle's evaporative emission control (EVAP) system. The EVAP system helps prevent fuel vapors from escaping into the atmosphere by capturing and storing them in a ...

In the charcoal canister, the purge valve is the opening that releases fuel vapors that were absorbed by the charcoal back into the engine for combustion. A failed purge valve is one of many causes ...

I have a 1978 CJ-7, which I am rebuilding. I am running new fuel lines to a new tank and a new fuel sending unit. I cannot find replacement parts for the check valves and charcoal canister. I have ...