White smoke from exhaust where tailpipe and muffler meet and it looses power it is a 2000 Mazda 626 with 234000+ miles
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This is a very broad question. There are so many things it could be, from a bad gasket to a bad head gasket allowing coolant into to the exhaust. The two things may or may not be related. Can you add more details about the problem?– CharlieRBAug 23, 2016 at 13:02
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White smoke usually indicates a coolant leak into a cylinder. This is usually caused by a blown head gasket, but there are usually other ways as well. Definitely not a good thing.– Pᴀᴜʟsᴛᴇʀ2 ♦Aug 23, 2016 at 15:32
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Muffler is clogged?– MoabAug 26, 2016 at 21:57
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