What does a fuel charcoal canister do?
The charcoal canister is the centerpiece of the evaporative emission control (EVAP) system, a technology designed to prevent vapors from your fuel tank from escaping into the atmosphere. The charcoal canister seldom fails and should last the life of the car.
How important is a charcoal canister?
It’s a simple way to remove pollutants from liquids or gases that pass through it. This is no different when it comes to the charcoal canister in your car as well. The canister absorbs fuel vapors that, if the canister were not there, would be released in the exhaust of your vehicle.
Why do you need a charcoal canister for EVAP?
The charcoal canister is the centerpiece of the evaporative emission control (EVAP) system, a technology designed to prevent vapors from your fuel tank from escaping into the atmosphere.
What does a charcoal canister do to an engine?
Since the canister provides fuel vapors to the engine, your engine control unit will detect something is wrong with the engine if it doesn’t have enough vapors for combustion. As a result, it lights up the Check Engine warning light.
How does the purge valve in a charcoal canister work?
The purge valve is the “switch” that enables the fuel vapors to flow from the charcoal canister to the engine. The EVAP system is in constant communication with the engine control unit. That is how the EVAP system knows when to activate the purge valve appropriately. The charcoal canister contributes to promoting a healthy environment.
Do you need to replace a charcoal canister?
With these two symptoms together, you can be sure that your charcoal canister is likely to blame. If your charcoal canister goes bad, this is not something that you can leave alone. You will need to replace your charcoal canister if you want your emissions reduced and your engine power restored.