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White smoke from exhaust where tailpipe and muffler meet and it looses power it is a 2000 Mazda 626 with 234000+ miles

closed as too broad by Jason C, dlu, RockPaperLizard, tlhIngan, MooseLucifer Aug 29 '16 at 13:08

Please edit the question to limit it to a specific problem with enough detail to identify an adequate answer. Avoid asking multiple distinct questions at once. See the How to Ask page for help clarifying this question. If this question can be reworded to fit the rules in the help center, please edit the question.

  • 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? – CharlieRB Aug 23 '16 at 13:02
  • 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 '16 at 15:32
  • Muffler is clogged? – Moab Aug 26 '16 at 21:57

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