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Rotten egg exhaust....
Hey RJF76, I know what you mean in regards to the stinky exhaust. I too get it from time to time w/ my 2002 rodeo LS 4x4. Seems to be getting better as the truck breaks in more. I currently have about 10000 miles on it. This smell is NOT indication of bad catalytic converters. Our trucks have 2 high flow / high efficiency cats on them, one per cylinder bank. If they were to clog or foul, the check engine light will come on & the truck would run terribly. The smell is the cats doing there job, processing the sulphur out of the fuel we buy. The higher the sulphur content in the fuel, the worse the stink. If you drive your truck hard you will get the smell. Try different brands of fuel to see which one(s) help out. These trucks are heavy breathers & pretty fuel thirsty - All I can figure is this is just inherent of the engine & emissions control system. Just a result of pumping 205hp out of only 3.2liters of engine displacement. G/luck
Joel
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