Quote:
Originally Posted by epjfsa
There's also catalyst poisoning from sulfur and other compounds in gasoline. This decreases the effectiveness of the catalyst which can lead to both a burning and a rotten egg smell. High engine load can burn up and expel those compounds and restore its effectiveness.
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Quote:
Originally Posted by 5thToy
Sulfur compounds build up on the washcoat during the low temp warm up cycle. Heavy acceleration and high loads elevate exhaust temperature to help burn them off. A healthy dose of the right pedal on occasion keeps catalytic converters happy.
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Is this true? Is this common knowledge? I consider myself fairly knowledgeable about cars, but I've never heard this. In fact, I've noticed this smell from other cars and assumed it was "bad", so I kind of try to drive like a gradpa to avoid the rotten egg "bad" smell.
come on man, you gotta have some more fun!
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