Why does my car smell like gas when I run the engine?
Why does my car smell like gas when I run the engine? Run the engine. If you smell and see fuel accumulating around the injector, then you are looking at the reason why your car smells like gas. The most common leak is from old or punctured fuel tanks. The best way to counter this problem is by totally removing the tank. Why does my charcoal canister smell like gasoline? If the charcoal canister has a crack in it or is leaking through a faulty vent or seal, the result will be a fuel smell and possibly a check engine...