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I have a 2006 BME 750li that has a sulfur smell when its sets at and idle after about 10 minutes what could cause this?

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6ya6ya
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Posted on Jan 02, 2017

  • 16 Answers

SOURCE: 1993 acura legend under car, smells like sulfur.

yeah could be a cloged catalic convertor and also check the oxagen sensor!

Posted on Nov 23, 2009

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SOURCE: 2001 Chevy S-10 shuts down after warming up, I can

the converter can cause it yes

Posted on Feb 25, 2009

  • 1 Answer

SOURCE: 2006 Toyota 4Runner Sulfur smell

I noticed going from a Higher Grade gasoline as well as making sure I change my motor oil on a regular basis (3,000-5,000 mi)to solve this problem. When the car isn't driven at a high RPM for a while, and you go to a quick acceleration it causes this smell.

Posted on Jun 09, 2009

Molson02536
  • 3854 Answers

SOURCE: smells gas after idling

The fuel pressure regulator may be bad and leaking gas on the intake manifold. It's a cylinder shape with a vacuum line and it's connected to the fuel injector rails. When the diaphragm goes bad in the regulator, gas will leak from it and on to the engine, which give you the smell of gas through out the car when it's running. Good luck and keep me posted, Auto Zone sell them for around $15.00 and that can give you the step by step instructions with common tolls and takes about 15 to replace.

Posted on Feb 22, 2010

  • 819 Answers

SOURCE: Sulfur smell and rough starting is noticed and

this could be a fuel filter issue, but more than likely it sounds like a broken down / clogged catalytic converter. to confirm, have an exhaust back pressure test performed. this is a specialized gauge that threads into the oxygen sensor fittings and will tell you if there is excessive restriction. if you plan on keeping this car for a while (more than a year) i recommend using a genuine GM replacement, as the cheaper ones do not last long at all. in any even, it is good idea to change the fuel filter first. good luck!

Posted on Aug 29, 2010

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3 Answers

I have a Chrysler pt cruiser 2003 , when starting it's mis firing, it has no power when driving and it produces rotten egg smell


you have a clogged up catalytic converter there are some ways to unclog on youtube if you can get to it you can put a piece of wire in a drill and spin it inside to break up the carbon build up its hard to get out best to change good luck with it some people drill holes in it to relieve presure

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Engine stalling


The sulfur smell is usually low grade gas or a problem with the catalytic converter.
In your case I would go for bad gas, especially if the problem just started happening recently. You can try adding premium to the tank and drive it out. You may have to replace the fuel filter once or twice if the gas has water or other contamination.

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Funny smell like egg vinagar in focus 08 model started when sitting in traffic


I'm going to assume the smell was coming from the exhaust.
Sulfur smell is often caused by excess sulfur in gasoline or a problem with the emissions system on the car.
If the check engine light is not on, it could be the brand of gas you were burning at the time.

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2006 bmw 750li white smoke comes out when idles


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Stalling ford ranger


There are a few things to check, first make sure all sparkplugs ,plug wires are good, in other words make sure engine is running smooth, a misfire will cause the smell and stalling so make sure tune up is not the problem first.

The next thing to check would be make sure air filter is good and throttle body is clean.clean the plate and body around the plate, the oxygen sensor can also cause this problem and is often forgotten about, the last would be the idle air control valve that control idle , there are more things that can cause your problem but start with these.

The most common problem may be as simple as the coolant temp sensor, this sensor if giving the computer a false signal with wrong coolant temp then this will cause this problem also.

A scan tool or multi- meter would help in testing the coolant temp sensor. hope this is helpful, good day.

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1 Answer

2003 Mitsubishi Lancer ES. First had code, changed both O2 sensors. Bad sulfur smell resolved, check engine light resolved for about 400 miles, then came back on. Same code, but the smell is still gone....


Probably a bad catalytic converter. Causing back pressure and making your O2 sensors read wrong. Cheap gas of less than 87 octane can cause incomplete combustion giving the sulpher smell and leave deposits in the exhaust. The sulpher smell originally came from fuel additives in your gas. Cheap gas especially. Your converter puts it out as sulphuric acid. This damages the sensors and converter. Ultimately though, what cause sconverter failure prematurely is idling your car for long periods. Over 3 minutes is not recommended.
Thanks, Mike.....Please rate the answer!

Jun 14, 2011 | Mitsubishi Lancer Cars & Trucks

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Rough idling, poor gas milege


Usually the rotten egg smell is a clogged CAT. Is the engine light on and if so did you retrieve any codes?

Apr 29, 2010 | 2000 Chevrolet S-10

2 Answers

1993 acura legend under car, smells like sulfur. Could it be catalac convertor? Car idles high when starting up also.


yes its,idler speed control use to fails in hondas and acuras,sulfur smells usually is to much air in mixture.

Nov 23, 2009 | Acura Legend Cars & Trucks

1 Answer

2000 Focus Zetec-rough idle, very rough under load.


you haven't said if its petrol or diesel so i'm assuming its petrol since your smelling sulfur sounds if you have a misfire causes could be plugs,leads or ign coil i suspect its ign coil these are common to go.

Mar 25, 2009 | 2000 Ford Focus

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2006 Toyota 4Runner Sulfur smell


I noticed going from a Higher Grade gasoline as well as making sure I change my motor oil on a regular basis (3,000-5,000 mi)to solve this problem. When the car isn't driven at a high RPM for a while, and you go to a quick acceleration it causes this smell.

Jul 22, 2008 | 2006 Toyota 4Runner

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