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Is the smoke coming out the exhaust pipe or from under the car?

If its coming from under the car there could be something like oil getting on it.

If its coming out the exhaust pipe you have engine problems and you should first check the oil level on the dip stick before your next oil change to see how bad its using oil.

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Q: Why would my catalytic converter on a 1992 Mazda miata start smoking?
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