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 ...

However, more severe symptoms, such as stalling ... With the engine running and the purge valve unplugged, disconnect the ...

Vapors trapped by the charcoal are released back into the engine through the purge valve and then burned. Charcoal canister problems can often cause the check engine light to go on, and they are ...