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Exhaust engine smoke and gas smells can be caused by several factors, including incomplete combustion of fuel, oil leaks, or a malfunctioning engine component. Blue smoke typically indicates burning oil, while black smoke suggests excess fuel is being burned. Additionally, a rich fuel mixture or a failing catalytic converter can contribute to strong gas odors in the exhaust. Regular maintenance and timely repairs are essential to mitigate these issues.

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1mo ago

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If the smoke is black it could be caused by a faulty fuel pressure regulator which could be causing the engine to get too much fuel.


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What causes gasoline smell with white exhaust smoke?

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