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Old 03-08-2002, 07:46 PM
rodney rodney is offline
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Join Date: Feb 2000
Location: sw,ohio
Posts: 103
exhaust smells like rotten eggs why ?

why does my exhaust smell so bad ?
i cant even have the window down without smelling it or pump gas .
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Old 03-08-2002, 07:59 PM
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75 75 is offline
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Join Date: Feb 2001
Location: Orillia On (Canada)
Posts: 992
More info please:

Is it gas or diesel, how old is the truck, is the "rotten eggs" smell always there or intermittent, did the problem begin recently or has it always been an issue, and are there any other symptoms such as the engine being down on power?

At a guess, I'm going to assume it's a gasoline engine and the catalytic converter on your exhaust may be getting tired or starting to plug up - I am just guessing however.
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Old 03-08-2002, 08:55 PM
jc1 jc1 is online now
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Join Date: Nov 2001
Location: The Real South Jersey
Posts: 1,308
Please give the year make and model aswell as what engine.
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Old 03-09-2002, 11:52 AM
LawnSite Member
Join Date: Jan 2002
Location: Manhattan, Ks.
Posts: 78
I had an explorer with the same problem. I used high octane gas and from time to time it would get that rotten egg smell, so what I did was let the gas get as low as possible and then I would fill it a couple times with regular gas. Then I would return to using high octane until it happened again. Maybe not a total fix but it got rid of the smell.
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