Knowing the color (or odor) of the smoke can help you figure out what’s causing it and if you should pull over right away or keep driving to a repair shop. Don’t be alarmed if you see smoke coming from the engine or exhaust while driving. When you start your car after it’s been sitting overnight, you’ll notice a small puff of white smoke rising from the exhaust. This is nothing more than evaporated water. On a rainy day, steam may come from beneath the hood when water burns off the radiator or exhaust. Learn more about it from this article.

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