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#1
07-19-2007, 07:02 AM
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1988 Sierra
I have a 1988 Sierra pick-up with an 8 cylinder 5.7L motor. White smoke comes from the exhaust when I accelerate. What's with the white smoke? Does it need a carburator adjustment, valve adjustment???
Rob 
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#2
07-19-2007, 02:18 PM
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Re: 1988 Sierra
White usually means water/coolant is being burned in the cylinders. That could be intake manifold gasket, head gasket or a cracked head/block.
Are you sure it is not blueish white? Which would be burning oil. Which would be rings or valve guides/seals. //2000CAYukon
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