Question about Chevrolet Express
Replace the fuel pressure regulator as well on the fuel line
Posted on Nov 14, 2010
Hi, black smoke means your fuel mixture is running rich. You need to fix the fuel mixture if this is a carburetor engine you need to adjust or replace the carburetor. If this is fuel injected you must check the O2 sensors, fuel pressure, and computer sensors to fix the problem
Posted on Nov 13, 2010
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Posted on Jan 02, 2017
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