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What causes black exhaust smoke from from 1996 Chevy Astro Van?
Baron88
If your astro van is puttin out black smoke that means it is burning oil somewhere, It will be from either worn piston rings (called a "blowby") or from a cracked cylinder head gasket you might try pulling the spark plugs one at a time, you will notice a sutty biuldup on the plug from the fouled piston. on an astro van of any year either of these conditions will get costly unless you are making the repairs yourself then they will just be time consuming and frustrating as hell but astros are good vans so it will be well worth the effort unless you just dont want to be bothered. It will be a worthwhile investment for you to get yourself a haynes manual from your local parts store it will give you a step by step with photos
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