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Because your motor is running too rich and the unburnt fuel is being burned in the catalytic converter, it makes the sulfur smell. At least this is what I've been told.

you didn't say what make of car u have, but a lot of Japanese cars smell like rotten egg just because of the fuel additives in the USA

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โˆ™ 2009-12-14 00:06:57
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Q: Why do engines on cars sometimes give off a sulfur like rotten egg smell?
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Related questions

What could be wrong if you sometimes smell rotten eggs when running cold water?

The rotten egg smell is sulfur...

Does sulfur smell like rotten eggs in a solid or liquid form?

Sulfur doesn't smell like rotten eggs. Hydrogen sulfide smells like rotten eggs, but sulfur itself doesn't have much of a smell at all.

What element is in gunpowder that makes it smell like rotten eggs?

The sulfur in gunpowder makes it smell like rotten eggs.

Does amoxicillin smell?

Yes like rotten eggs or sulfur

Why does the engines on Jap car sometimes give off a sulfur like rotten egg smell?

All cars do it with fresh cats and an over rich condition. The ricers "computer up" their fuel flow and then you get that smell. You gotta burn a lot of gas to make BIG power.

What does sulfur smell like?

Hydrogen Sulfide is what smells like rotten eggs. Sulfur is best described as the smell a strike match gives off. Light and match and smell. That's sulfur.

Why do hot springs smell?

They are volcanic and there is sulfur in the water or around them. Thus, you get the rotten egg smell.

Why do volcnoes smell?

Volcanoes often contain sulfur, an element that can smell like rotten eggs.

Why your fart smell like rotten eggs?

it depends on the gases that were in the intestines sulfur is probably one that causes the rotten egg smell

Why does urine smell like rotten eggs?

Urine that has a smell similar to rotten eggs or a sulfur smell can indicate a urinary tract. Urinary tract infections are treated with antibiotics.

Why does your water smell like rotten eggs?

It has a high sulfur content to it.

Which rock has a smell?

Sulfur.... IT STINKS it smells like rotten eggs

What is the element that makes rotten eggs smell badly?

Sulfur and Hydrogen

What makes Yellowstone National Park smell like rotten eggs?

That smell is actually sulfur burning off in the park's various sulfur pits.

Yellow nonmetal that is blamed for rotten egg smell?

Sulphur (Sulfur in USA).

A component of gunpowder that smell's like rotten eggs?

Sulphur (or sulfur if you are american)

What is sulfurs odor?

Non-pure sulfur has a faint smell of rotten eggs

Why do my burps smell like rotten eggs?

Sometimes burps may smell like rotten eggs if you have a sour stomach,

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What is a yellow mineral with a bad smell?

A mineral which is yellow and has a bad smell is sulfur. Many people state that sulfur smells similar to rotten eggs. When sulfur is at room temperature and in a solid form it is bright yellow in color.

Can you find sulfur in the atmosphere?

There isn't much sulfur in Earth's atmosphere, but when there is, you notice it! Sulfur is responsible for the pungent stench of rotten eggs, the smell of matchheads and of volcanic eruptions.

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The smell is similar to the smell of hydrogen sulfide (rotten eggs).

What does spoiled pork smell like?

Spoiled pork can smell like rotten eggs with an odor of sulfur. It may have a sour smell or an ammonia-like smell when the meat is bad.

What is Smell of sulfur dioxide gas?

Sulphur dioxide, also known as rotten egg gas, smells like (surprise, surprise) rotten eggs.

Why does your car smell like rotten eggs when you shut it off?

Typically this is caused when the fuel is burned uncleanly and the sulfur in gas makes it smell