Car Smells
Catalytic Converters
Ford Expedition XLT
1995-2005 Chevy Cavaliers

If you smell sulfur from the catalytic converter of a 1995 Chevy Cavalier is it time to replace it?


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Wiki User
2015-07-16 19:20:58
2015-07-16 19:20:58

That is a good possibility.It also could be running lean and causing it to smell that way.If it starts running poorly or wont accelerate then you will have to replace it.

Need 2 find out why IT's running Rich.


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Probably two problems. The smoke is most likely oil from an engine problem. The sulfur is the catalytic converter bad. The oil plugs the converter making it run hotter and putting out more sulfur dioxide.

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clogged catalytic converter Agreed.......the smell of rotten eggs is an indication you have a problem with your cataltic converter

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The sulfur smell is the catalytic converter. There will always be some smell of sulfur. The converter changes the carbon monoxide in the exhaust to sulfur dioxide. Strong sulfur smell may be an indication the converter needs to be changed. This can also be a symptom of a leaking battery. We had a battery crack, and the sulfur smell was almost overpowering for a couple of days. Even after it was replaced, the smell lingered for a bit.

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You cant just get "rid" of it. In cars, a catalytic converter is used to break down the so2 into less harmful substances.

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