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oil is getting to the spark plug. Check head gasket, head torque, or it could the piston rings not aligned/ worn.
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∙ 12y ago
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Why does my Chevy 350 smoke black then smooths out?
Black smoke is excessive fuel, or "rich." It is probably flooding out at idle. Either the floats in the carb, or the needle, and seat.
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Could have a head gasket problem. Need to know what color smoke is coming out of exhaust. If the smoke is white and has a sweet smell to it, you have a bad head gasket or a cracked head or both.
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Where is the idle speed motor located at on a 1995 chevy blazer?
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carborator
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