Sulfur smell from exhaust around 55-60

ShaggyTDawg

New member
Hi guys! I've got a 2011 TE. Sometime around 8000 miles I started noticing a really stinky sulfur smell just about everytime I hit 55-60 mph for the first time since starting the car. Any ideas what this is? The dealer thinks it's the fuel I'm using but I've tried just about every major brand plus a number of local gas companies with pretty much no difference.

A few things to note:
-I don't have the e-brake on.
-It doesn't matter if I slowly accelerate to 55 or if I get down on it. And it's only the first time I get up to that speed
-Someone suggested it may be something in my catalytic converter. So I'll point out I did take it out and put it in a lot of mud and water. The top of my hood had mud on it... Twas dirty. But sooo fun :-)
-The fact that I noticed it at 8000 miles may be bc that was around the time it got warm enough to ride with the windows down. I got it all muddy around 3000-4000 miles I think.


Thanks in advance for your ideas!
 
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Horray for SeattleMike! Still answering questions! Thanks Antman for the link.

On a slightly side note, is there anything to worry about when getting the 4Runner in about 24" of water/mud? I think I did pretty well with cleaning the outside and engine bay. Never really got under the body much more than a pressure washer while laying next to it.
 
the occasional water crossing i wouldnt be too worried about, the axle vent should only open when pressure builds up and then closes after it releases. if you made it a regular occurrence then i agree that extending the breather is a good idea.
 

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