Fuel Vapor Canister Problems: Gas Smell, EVAP Codes, and Buying the Right Used OEM Replacement
A check engine light for an EVAP leak can feel like the least dramatic problem on the car. The engine still starts. The transmission still shifts. You might even pass by the gas station and think, "I will deal with that later." Then the fuel smell gets stronger, the pump keeps clicking off while you fill up, or your emissions test comes due. Suddenly that little vapor system problem has teeth. The fuel vapor canister, often called the charcoal canister or EVAP canister, is built to trap gasoline vapors before they escape into the air. When it works, you never think about it. When it fails, it can create annoying symptoms, failed inspections, and a parts-search headache because fitment can...