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Re: Black smoke (cloud) from exhaust when flooring it
Posted by B. Millar (more from B. Millar) on Wed, 26 Sep 2007 19:49:42
In Reply to: Black smoke (cloud) from exhaust when flooring it, n8, Wed, 26 Sep 2007 17:09:23
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I'm surprised you're even questioning the normality of engulfing black clouds of smoke. It's completely NOT normal. If you have black smoke during hard acceleration your fuel/air mixture is probably off. It's running too rich so the fuel isn't burning all the way. How old is your air filter? An extremely dirty air filter will restrict airflow and mess up the fuel to air ratio. You could also have a bad injector. If I were you I would run a bottle of Techron next time you fill up and change the air filter if it hasn't been done in a while. Maybe spark plugs too? Do you experience pinging while it smokes too? Maybe you should check out your MAF too.
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