First try changing your gas - Saab 900 Bulletin Board - Saabnet.com
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First try changing your gas
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Posted by Bloodnose [Email] (#1819) [Profile/Gallery] (more from Bloodnose) on Sun, 19 Nov 2017 08:19:58 Share Post by Email
In Reply to: sour exaust smell, Name Left Blank, Sat, 18 Nov 2017 10:15:48
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From the linked article...


A harsh smell coming from the exhaust can usually be attributed to the use of fuel that contains methanol (Although in most places it is not supposed to be sold). When using this fuel, a sulfur smell can be emitted from the exhaust which can range from a mild odor to a rotten egg smell. To avoid this smell try changing the place where you purchase fuel! Catalytic Converter failures can also cause this same smell!

Thanks to Nathan for contributing to this FAQ!

In the north eastern part of the U.S. as well as other locations there is a "winter gasoline" and "summer gasoline." It's the additive package that determines the type. Thus is do e for em musings purposes. When the two are mixed (which occurs commonly when seasons change)the same smell can occur. Try to be aware of the timing when the odor occurs.

EXHAUST SMELLS LIKE ROTTEN EGGS

_______________________________________
Clarence Donath
Richmond, RI
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