black smoke

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Aug 2, 2002 | 07:57 PM

91camaroz28

Thread Starter

Registered User

Joined: May 2001

Posts: 15

From: Michigan

black smoke

when I start my car now after it's been sitting for acouple hours black smoke comes out and if i don't rev it up alot before driving it stalls out. Could someone tell me what is causing this. Thanks alot for any help

Aug 2, 2002 | 10:34 PM

Stephen 87 IROC

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Joined: Mar 2000

Posts: 2,037

From: 51°N 114°W, 3500' elevation

Black smoke is too much fuel. It's running rich.

Aug 2, 2002 | 11:57 PM

mr diabolical

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Joined: Oct 2001

Posts: 238

From: texas

after it sits for a while, it might have a leaking injector dripping fuel into a cylinder and washing it down. also might be leaking while running causing stalling problems and black smoke from running rich.

Aug 3, 2002 | 01:52 AM

91camaroz28

Thread Starter

Registered User

Joined: May 2001

Posts: 15

From: Michigan

This is probably a stupid question but how do I stop it from running rich?

Aug 3, 2002 | 04:31 AM

CaswestCamaroSS

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Joined: Oct 2001

Posts: 10

From: Arkadelphia Arkansas USA

depends on if its carbed, TPI or TBI. If its carbed, there should be some air/fuel adjustment valves on the carb. just adjust them til it stops smoking...as for TPI or TBI im not sure

Aug 3, 2002 | 01:27 PM

Rumblin91

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Joined: Jul 2002

Posts: 45

From: St. Augustine, FL

Quote:

<font face="Verdana, Arial" size="2">If its carbed, there should be some air/fuel adjustment valves on the carb. just adjust them til it stops smoking...</font>

If you are talking about the idle mixture screws...that is NOT a proper way to adjust them. I'm assuming his car is not carbed because of the year, so I won't go into it...