Question about 1993 Honda Civic 4 Door

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My 1994 honda civic cx

I have a tip on the end of my tailpipe just to make it sound better. but lately when i start it up in the morning a fine black powder shoots out. it only happens in the morning and sometimes has a little bit of liquid in it. does anyone know what this can be and if it is bad.

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It sounds like it's from just muffler it self...If the muffler is old this could be the start of it braking down from the inside out. Or it could mean that you need a tune up if it has not been done in a log time.

Posted on May 20, 2009

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This is carbon from the burning of gas and the reaction in the catalytic converter, unless it blows black all the time don't worry about it it is normal..

Posted on May 20, 2009


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