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This past weekend I started having a "rotten egg or sulphur smell" coming through the engine a/c dash vents on my motorhome. I read in an issue of Motorhome magazine that it could be caused either by my catalytic converter or possibly by the gasoline, which has some sulphur in it, however, this article was saying the smell was on the outside of the motorhome.....mine is on the inside. Any one have ideas or suggestions or had this problem before ? |