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For diesels, black smoke is normal. For gasoline engines, black smoke indicates that the engine is getting too much fuel. Check air filter, oxygen sensor, possibility of a stuck injector, throttle position sensor. A lot of that stuff can be checked by reading the computer codes.

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โˆ™ 2006-03-13 15:24:33
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Q: Why would black smoke come out of the tailpipe of a 1992 Honda Civic Dx when accelerating?
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