Skip the auto shop - Our mechanics make house calls

Q: Sulfur smell coming from exhaust

asked by on

Exhast has an eggy firework smell

My car has 130 miles.
My car has a manual transmission.

A rotten egg smell coming from the exhaust is almost exclusively a result of a failing catalytic converter. It is caused by the catalytic converters inability to break down the sulfur created by the engine during normal operation. A failing catalytic converter cannot be repaired, and must simply be replaced. This is a job that is best handled by a certified mechanic, like those available at YourMechanic.com.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Need O2 sensors replaced. There asking $1,500

Hi there: You might want to have a second opinion completed for your Dodge Durango air fuel mixture sensor replacement; as if they are simply replacing the O2 front and rear bank sensors; that's a bit pricey.

Q: Shaking when braking and clanking/banging noise coming from what seems to be the exhaust.

Hello, thank you for writing in. The vehicle is likely facing two different issues. While it is possible you are feeling a rough idle in the steering wheel, you may be facing a worn or dirty brake. The extra strain...

Q: I have a 2012 VW CC and it is bucking/loosing acceleration whenever I hit the gas hard.

Hello. Most of the time this is caused by low fuel pressure or a failing or dirty air flow sensor. I would usually scan the computer for codes first to see if anything comes up. If there are codes then...

Related articles

P0052 OBD-II Trouble Code: HO2S Heater Control Circuit High (Bank 2 Sensor 1)
P0052 code definition HO2S Heater Control Circuit High (Bank 2 Sensor 1) What the...
P0240 OBD-II Trouble Code: Turbocharger Boost Sensor B Circuit Range/Performance
P0240 code definition Turbocharger Boost Sensor B Circuit Range/Performance What the P0240 code means P0240 is an OBD-II generic code triggered when the Engine Control Module (ECM) detects the intake boost...
Rules of the Road For Iowa Drivers
Driving on the roads requires knowledge of the rules, many of which are based on common sense and courtesy. However, even though you know the rules in...