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What is a fuel evaporative canister?
Look, I know, it’s a mouthful. Don’t blame the messenger.
The fuel evaporative canister is one of the key elements of your car’s emissions control system. The emissions control system keeps your car from releasing excess harmful emissions into the atmosphere, which is both environmentally unfriendly, and illegal.
Also known as the charcoal canister, the fuel evaporative canister traps fuel vapors that escape the fuel tank. Those vapors that would otherwise be released, but the fuel evaporative canister allows the car to utilize them instead.
After the vapors have been trapped in the fuel evaporative canister, the engine pulls the vapors out via vacuum suction, and burns the vapors.
The fuel evaporative canister should last the life of your vehicle. But that doesn’t always happen and sometimes it needs to be replaced.
Symptoms of a failing Fuel Evaporative Canister
Check engine warning light comes on
Look, it’s time to break that habit of ignoring your check engine light because it exists for a very good reason, and that reason is to help you take care of your car when it needs it.
If your car’s fuel evaporative canister is busted, then the onboard computer will be altered, will be alerted. That device runs tests to make sure that the emission controls are operating properly. If they’re not then on comes your check engine warning light.
How urgent is a Fuel Evaporative Canister replacement?
It’s perfectly safe to drive a car that has a broken fuel evaporative canister, but it’s not something you should get in the habit of. For one thing, you won’t be able to pass emissions tests, which are kind of important. I think you know what to do here. Get it replaced as soon as possible.