Question about 1993 GMC Sierra

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White smoke when reved up. No loss of fluids or coolant in the oil. Just oil-like smell burning out the tailpipe with big puff of white smoke

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  • Anonymous Mar 24, 2014

    the car was smelling and smoking

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White smoke on startup could be a head gasket leak between the water jacket and the cylinder. Won't always show in the oil. Antifreeze makes it smell oily or sweet. Compression test will tell for sure. Bluish is oil that was burned. White is usually water or oil into exhaust after combustion.

Posted on Feb 06, 2010

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  • White smoke out out the tail pipe means you might have just blown your head gasket. White smoke is water (antifreeze) burning with the oil.



  • If you have any comments please feel free to leave them here.
  • Hope this helps and thank you for using FixYa.


Regards, Tony

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