Sulpher smell after hard acceleration?
11-22-2006, 05:22 PM
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S55 AMG '06
Sulpher smell after hard acceleration?
Anyone else have this issue? Whenever I accelerate hard, I get that rotten egg smell in the car for a few minutes. Suggestions/thoughts?
11-25-2006, 07:06 PM
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You have sulphur imperities in you fuel. Sulphur is a "catalytic poison". I hope you're not smelling sulphur dioxide, which is HIGHLY toxic.
try switching to a better brand of fuel. and If there are sulphur deposites in your catalytic converter, they should be flushed.
11-29-2006, 04:56 PM
#7
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It's in the fuel. Change brands.
Not sure where this came from, but as a kid (40 years ago) they used to say "Pennsylvania gas" had more sulphur in it than gas from Texas or OPEC. Doubt there's any oil in Pennsylvania any more.
Who knows where the gas comes from now.
Who knows where the gas comes from now.
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12-04-2006, 01:22 PM
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09-10-2008, 02:07 PM
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2015 E63 AMG S, 2006 Titan, 2008 Armada
If you had any passengers on board, tell them to tighten their ***** a little more...probably got scared.
(Joke...sorry couldn't resist.)
(Joke...sorry couldn't resist.)
09-11-2008, 11:47 AM
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The catalyst will spill H2S (SO2 and SO3 don't have that smell) when an engine runs rich after a period of running lean. It is quite common after a burst of high-power output.
Some areas have more sulfur in their gas than others (it's not generally something that will change markedly by brand), and higher sulfur content will of course make the smell more common.
It is a sign that the catalyst is working well. In fact, when the cat ages the smell tends to lessen. I live on a steep hill and I've noticed H2S when I get a new car home after a spirited run, but that after the car has 10,000 or 20,000 miles on it the smell is no longer produced. It's all normal catalytic converter chemistry. It also means your ECU is properly managing your A/F ratio. A little too rich is better than too lean under heavy load.
Some areas have more sulfur in their gas than others (it's not generally something that will change markedly by brand), and higher sulfur content will of course make the smell more common.
It is a sign that the catalyst is working well. In fact, when the cat ages the smell tends to lessen. I live on a steep hill and I've noticed H2S when I get a new car home after a spirited run, but that after the car has 10,000 or 20,000 miles on it the smell is no longer produced. It's all normal catalytic converter chemistry. It also means your ECU is properly managing your A/F ratio. A little too rich is better than too lean under heavy load.
