smoke from exhaust

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Jan 20, 2006 | 06:39 PM

97civicEXVTEC

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From: topton,pa

smoke from exhaust

when vtec engages black smoke comes out of my exhaust. nothing extreme, but noticeable. i was just going to switch to a thicker oil to see if it stops. would 10-40w be what im looking for? and will 4 quarts be enough for a d series?

Jan 20, 2006 | 11:17 PM

Running925

Your Powder Coater

Joined: Mar 2004

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From: Girard, Ohio

black smoke is not oil, it's fuel.. it means that your to rich

Jan 21, 2006 | 07:43 AM

97civicEXVTEC

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From: topton,pa

Quote:

Originally Posted by Running925

black smoke is not oil, it's fuel.. it means that your to rich

so im guessing i need a new o2 sensor then.

Jan 21, 2006 | 02:34 PM

Kain420

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Joined: Jan 2006

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From: in a house

bump!

bizump!

Jan 21, 2006 | 02:48 PM

teg92

WHAT OK YEAH!

Joined: Sep 2003

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From: overthere

maybe you should get something to control your air fuel like a VAFC that way you can rich or lean out your car.

Jan 21, 2006 | 03:14 PM

CivicRacr

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From: Arizona

ive noticed that on a few cars when they floor it and vtec kicks in, its like only a puff of black smoke then it stops. does yours just continues to spit out black smoke in after vtec?