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O'Reilly Auto News Feed


Your car's exhaust system is designed to remove noxious gases formed during combustion from the engine in order to keep things running smoothly and help prevent the motor from overheating or misfiring.

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The muffler is a part of the vehicle many drivers don't notice until it stops working.

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The exhaust pipe is used to dispel excess gases from the engine, and typically, there should not be smoke of any color coming from the pipe.

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It's not all that uncommon to see a car spewing blue smoke everywhere, especially if it's an older vehicle.

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Exhaust systems are designed to remove excess gas from the engine after combustion so the next cycle can begin.

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