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Rotten egg smell from exhaust


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I was backing my 2008 Mercury Milan (120 miles on it) into the garage and got out to see how far I was from the wall. I smelled a rotten egg odor. It wasen't intense but I could smell it. I assume it's from the exhaust which are dual. Is this normal or do I have a problem?

 

Thanks in advance.

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I was backing my 2008 Mercury Milan (120 miles on it) into the garage and got out to see how far I was from the wall. I smelled a rotten egg odor. It wasen't intense but I could smell it. I assume it's from the exhaust which are dual. Is this normal or do I have a problem?

 

Thanks in advance.

 

I believe you'll get that smell until your catalytic converters warm up.

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Yeah that's normal with a new catalytic converter. You'll notice it intermittently for a few months anyway. Is this your first new car?

 

No this isn't my first new car. I've had many new Sables. I don't normally back into the garage but I did this time. I may have smelled it before with my other cars but don't remember. Thanks for the reply.

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No this isn't my first new car. I've had many new Sables. I don't normally back into the garage but I did this time. I may have smelled it before with my other cars but don't remember. Thanks for the reply.

 

Hey I just realized that my reply may have come across as condescending... I didn't mean it to, so I appologize if it came across that way!

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It is just the carbon build up inside your engine burning up. Usally you will get this smell when you baby the car for a long time. You can go to your local auto parts store and buy a $10 can of seafoam or just drive your car harder for a while (reving it past 3000rpm). It will still stink for a little while.

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I was backing my 2008 Mercury Milan (120 miles on it) into the garage and got out to see how far I was from the wall. I smelled a rotten egg odor. It wasen't intense but I could smell it. I assume it's from the exhaust which are dual. Is this normal or do I have a problem?

 

Thanks in advance.

 

Hi tjack. :D It is normal. It is just the sulfur compounds from the fuel and catalytic converter by-products (CO2, water etc.). Sometimes you will smell it more than others. Again, it is normal.

 

Your car only has 120 miles on it. Do not run any fuel system additives/cleaners like Seafoam or any others through your system. It does not need them.

 

Good luck with your new Milan. :beerchug:

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Hey I just realized that my reply may have come across as condescending... I didn't mean it to, so I appologize if it came across that way!

 

You didn't at all. There was no need to appologize. Take care

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Hi tjack. :D It is normal. It is just the sulfur compounds from the fuel and catalytic converter by-products (CO2, water etc.). Sometimes you will smell it more than others. Again, it is normal.

 

Your car only has 120 miles on it. Do not run any fuel system additives/cleaners like Seafoam or any others through your system. It does not need them.

 

Good luck with your new Milan. :beerchug:

 

 

Thank you. Actually I love this car. It's so much more fun to drive then the Sables I had before.

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  • 1 month later...
How catalytic converters work

 

Eggbert and Shelley were driving home from the market when they stopped at a red light behind a new minivan. As they waited, an unpleasant, rotten egg smell permeated their sedan, and they realized the offensive odor was coming from the minivan. "Why does that new minivan smell so bad?" asked Shelley. "Oh, that's the catalytic converter," replied Eggbert. "It's not working properly, so some bad fumes are coming out in the exhaust." "What a shame," lamented Shelley. "A new car and the converter is broken already." While the couple puts away their groceries, let's get an SwRI Whizard to tell us what's going on.

 

 

http://www.swri.org/10light/catalyst.htm

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