The emission system of the car has a component called as charcoal canister which is used for absorbing the vapor of the fuel before they are releasing into the environment. When the engine produces toxic carbon emissions, the charcoal canister can stop these compounds and redirect them to the fuel tank. The dirty charcoal canister can affect the functionality of the engine. So, take a complete look at the video to determine the dirty charcoal canister in the car.
https://www.youtube.com/watch?v=cPaoAQrPUfY