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 ...

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 ...

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 ...

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 ...

Hello Paul, I recently failed an emissions test at a checkpoint in Nansana. The mechanic mentioned something called a charcoal canister. I have never heard of it. What exactly does it do, and why ...