Black smoke is a symptom of an overly rich fuel/air mixture.
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An Rx7 is a model of a car that Mazda makes. All cars can smoke
lightly through the exhaust system. If the smoke that is coming out
becomes excessive or black consult a mechanic.
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No, Amy Childs does not smoke. She is a wonderful role model and
very gorgeous. She shows us how to live our lives properly, (by not
smoking).