Last post on Nov 27, 2011 at 6:41 AM
You are in the Toyota 4Runner
What is this discussion about?
Toyota 4Runner, Engine, Exhaust, Fuel System, SUV
#133 of 874 Wasn't a problem on old 4Runner
Sep 14, 2003 (7:28 am)
I recently traded in my 2000 4Runner for a 2003. I am appalled at the sulfur smell that comes into the cabin when the back window is down. I never had this problem on my 2000 4Runner. Two things are different. The tailpipe was directed to the right side on the 2000, on the 2003 it is directed to the rear. The aerodynamics must be different on the 2003 also. You can feel the wind hit you in the back of the head on the 2003, and did not on the old style. I considered the roll down window a feature on the 4Runner. It is now basically useless. I am going to file a complaint with Toyota.
Sep 15, 2003 (1:19 pm)
Toyota admitted that, on the V8, the vent on the left rear of the vehicle is too close to the tail pipe and sucks exhaust gas inside the cabin. Sulfur is not the issue anymore, it's a design oversight by Toyota. Apparently they didn't test the V8 well enough.
Look at it this way, if the EPA took all the sulfur out, the vehicle would still suck exhaust gas in to the vehicle. Toyota admitted this. NOw, the question is.....is it a dangerous level? Answer, probably not, short term. But the long term effects can't be good. After all, that's what the clean air act and other related laws are all about....the long term exposure to low level emissions.
But then again, without data, that's just an opinion.
#135 of 874 Data is the answer -
Sep 15, 2003 (1:42 pm)
and if Toyota had admitted this on a grand scale, or any consumer group had gotten a hold on this story, wouldn't we non-4Runner owners have heard about it by now?
Sounds like grounds for a class action lawsuit, but only if someone can prove harmful levels of noxious stuff.
Sep 15, 2003 (1:59 pm)
Zues, you're right we need proof. Toyota admitted this in my hearing. I still lost though. Go figure. I think that everything that was said in the hearing is admissable in court though. I wonder if the tech rep would admit to it in court. Well, there were 5 people present, so I'm sure it would come out. It's just seems like politics to me.
Sep 15, 2003 (2:12 pm)
proceedings, with the exception of depositions, aren't usually admitted in a regular trial.
Trial judges typically don't allow any information in that involve settlement proceedings.
Also, the only way the Toyota guy will testify is he's subpaoened to do so by an attorney that YOU hire.
Sep 15, 2003 (2:31 pm)
This is from a guy in another Toyota forum. Call the EPA as he says below. Pressure from all sides....can't hurt
Rotten Eggs, Hydrogen Sulfide, H2S by corollagold Aug 25, 2003 (4:25 am)
O.K., all you Rotten Egg complainers. Listen up. I called the nationally syndicated Clark Howard radio talk show last week and discussed the problem. My call was triggered by his monologue about only some of the most elite cars needing something more than the lowest octane. He suggested that I register my complaint with the NHTSA people - www.nhtsa.gov . (Suggestion - key it in once for the ENGINE, EMISSIONS category, copy it before submitting it, then enter it again under the ENGINE, EMISSIONS, CATALYTIC CONVERTER category. That way, they will see it two ways, and can't say we didn't enter it right. Limit, 2000 characters, so be succinct.)
Clark also suggested that I make the same complaint to www.autosafety.org which has no character limit, near as I can tell.
Well, the second one paid off. At least they were nice enough to respond, and here's what they had to say.
"The engine in the Corolla is running too rich. There's not enough oxygen in the fuel mixture. The sulfur in the gasoline is being reduced to H2S rather than being oxidized to SOx. Call Toyota at 800-331-4331. To get EPA's assistance in the matter, call Sheena Dupree at 202-564-9414 who works on warranty issues for them. Or you can write the head of the office at the below address.
" Margo T. Oge, Director
" U.S. Environmental Protection Agency
" Office of Transportation and Air Quality (6401A)
" 1200 Pennsylvania Avenue, NW
" Washington, DC 20460
"Tell Toyota you are contacting EPA. That will get their attention."
He signed his name, which I'll not repeat here.
So later today I'll get the ball rolling. And now you too have something to work with, but please, Please, PLEASE be sure to report YOUR problems to those two (now three with www.epa.gov ) organizations, too. Only if enough of us bellyache - and to the right people - will we get Toyota to fix a problem that never should be happening. FWIW, my neighbor bought an '02 Honda Civic just before I got the Corolla. Neighbor uses the cheapest unleaded gas he can find, and has ABSOLUTELY NO PROBLEM with rotten eggs smell from his exhaust. I bought the Corolla because I felt it was mechanically superior to the Honda. It doesn't need a timing belt replaced every xxx miles - Toyota went to a chain drive for the overhead cams, in '03, and the rest of the engine dates back several years, so the design is pretty much "proven".
#139 of 874 No Smell in my 4 runner
Sep 15, 2003 (5:48 pm)
2003 V8 4 runner, no smell during idle in the garage or with the windows down during highway/city driving. Let's see, are all 2003 4 runner owners effected by the sulphur smell? The V8 engines are the same in all 4 runners, could the difference be in the brand gas or engine oil brand used in different parts of the USA? What type of branded gas with octane rating and engine oil brand and weight are the owners using that smell sulphur?
#140 of 874 My point exactly -
Sep 15, 2003 (6:42 pm)
#141 of 874 The real problem
Sep 16, 2003 (5:47 am)
Lets not lose sight of the real problem here. If you smell sulfur, then you have exhaust gas present. Just because you don't smell the sulfur that doesn't mean exhaust gases aren't present. Toyota admitted that the tailpipe is too close to the vent on the left rear. They used to bend it slighty outboard to prevent these types of problems, but on the new design it's points aft. Borla makes a dual exhaust for the V8 4Runner. Guess what....both tailpipes are side exhaust on the right side. That should tell you something. All Toyota has to do is refit the V8's with an outboard facing exhaust tip. Problem solved.
Again, Sulfur is an indication that emissions are present. But when you use low sulfur fuel and the smell goes away do you think that the rest of the exhaust refuses to enter the vent? I think not. It's not magic exhaust. (like the magic bullet theory)
#142 of 874 Location of vents?
Sep 16, 2003 (7:50 am)
tacoviva (and others), can you tell us where the rear vents are? I had only a couple of minutes to look for them this morning, but didn't see anything. I looked around in the interior and exterior near the rear hatch, but didn't see anything that looked like a location where the cabin air is supposed to leave.