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1995 Mazda Miata MX-5

Question: lots of black/grey smoke

Question

roland1932, 1.8L 4 Cylinder, Irvine, CA, February 06, 2010, 16:46
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 Rookie

Engine emits black/grey smoke and runs rough
will quit id idle is allowed to get below 1500 RPM

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  • Answer #1

    Bret Bodas February 06, 2010, 20:21
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     Master

    Sounds like the fuel mixture is very rich (too much fuel). This can be from a few different things, so to be sure it will need to be diagnosed.

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