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Sulfur Smell from Toyota 4Runner

862 messages,  Last post on Aug 20, 2009 at 3:48 PM

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What is this discussion about? Toyota 4Runner, Engine, Exhaust, Fuel System, SUV

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#703 of 862 Re: V8 TSB for the Sulfur Smell [4rnr #702] by gcmello Jun 23, 2004 (4:25 am)
Replying to: 4rnr (Jun 14, 2004 1:42 pm) I'd like to take my 2003 V-8 Sport Edition to the dealership and have the repairs done for the sulfur smell, but I've not been able to find the actual TSB EG020-04 to print out and show to the service manager. I do have a printout for TSB #EG015-04 for the V-6. Any help would be greatly appreciated.
#704 of 862 Sulphur Smell is not all u should worry about! by roguewarrior Jun 23, 2004 (3:07 pm)
Hi I just did a little research on this problem and have learned that 60 complaints have been submitted to the NHTSA for this sulphur smell. What everyone is focusing on is the smell of rotten egg however disgusting and potentially dangerous that is, it is not what will KILL. The Carbon monoxide(CO)is the real danger because it is odorless and deadly it is also getting into the car by the same means as the obvious egg smell. I was so concerned that I contacted a environmental company who came for a ride along in my 2003 sr5 4runner. This ride proved to me that(CO)is indeed entering the cabin and alarmed the tech who came along with a (CO)tester. At one point he yelled "Close the F#%%& rear window". I saw the readings go off the charts depending on the configuration of the windows, with the rear window open being the worst. I did not pay for this test as they were being kind enough to just see if I had any (CO)entering the cabin. This was enough for me! I have since contacted Toyota customer service and I am waiting to hear from the regional rep from FL. Another option for people to find out on their own is to go to the home depot and buy a (CO) tester. This can be plugged into the 110 outlet in the glove box. I did and I do not drive with the rear window down at all any longer. This is a serious problem that may be corrected by changing the location of the tail pipe to vent to the side of the vehicle. I am going to complain to the NHTSA with this post and see if this will get the people who are supposed to protect us "to wake up." If someone else could do a similar test in their state we could have more ammunition to fight Toyota. I have found out that the EPA company would do a complete test with report and all for around $340.00. I am going to see if the service rep would do this but I doubt it. If anyone has the extra money that they could afford to use PLEASE DO IT! I originally posted on a 4 X 4 site I also made a complaint to http://www-odi.nhtsa.dot.gov/cars/problems/complain/complaintsear- ch.cfm the # is 10078432 I have been contacted by the Rep today and he is currently researching. I think I got his attention for a different reason (CO).
#705 of 862 RE: Sulphur Smell is not all u should worry about! by roguewarrior by alfster1 Jun 23, 2004 (3:18 pm)
Many 03-04 4Runner owners, including myself, drive with the rear cargo window open without experiencing any sulfur or apparently high levels of CO entering the cabin. The longest that I have driven with this window open is 1.5 hours, under varying speeds. I have used a CO tester, but I am not how accurate it is since it was made for home use and is not a professional tester.   Apparently, the exhaust issue only affects some 4Runners, either with or without the rear cargo window being opened, which is perplexing.
#707 of 862 gcmello-V8 TSB by 4rnr Jun 24, 2004 (7:04 pm)
Here's the V8 TSB. I do hope this helps you out. 4rnr   http://www.toyota-4runner.org/attachment.php?s=124f3cec65e55127ce- 630d89cb99007e&postid=31585 Replies to this message: gcmello (Jul 07, 2004 9:45 am) 4rnr (Jul 22, 2004 9:58 pm)
#708 of 862 Finally smell is gone by lukeg Jun 24, 2004 (8:31 pm)
I have 04 4runner v8 Sport. Today Toyota dealership fixed the smell problem. They have changed the catalyst and reprogramed the computer. The smell is gone. I don't drive with rear window down, but smell still was entereing the cabin from time to time. Also I am tired of hearing on the street on the red light that my truck stinks like $***. No more bad stink and I can drive with side windows open. Schedule this repair. It takes few days to get parts in. I still have problem with: - sit being loose - vibration with RPM between 1800-2000 - vibrating breaks.
#709 of 862 I still don't understand why by driftracer Jun 25, 2004 (4:02 am)
ANYONE would ever drive with the rear window down - makes no sense - guaranteed to suck in your exhaust and everyone else's.   Sitting parked with all the windows down, sure - lowering the rear window to use the rear cargo area when loading, sure.   I can't believe anyone with any education would think that you could drive with your rear window down on any vehicle with a movable rear window and NOT get exhaust sucked into the vehicle - sheesh...
#710 of 862 I still don't understand why by driftracer by tloke1 Jun 25, 2004 (4:18 pm)
"...ANYONE would ever drive with the rear window down - makes no sense - guaranteed to suck in your exhaust and everyone else's."   There can be exceptions, like when hauling a long piece of lumber or other item that needs to stick out through the back window. I did that a lot of times when I owned an Explorer. I did close the window as much as possible and tied it down against the lumber, but I never did have a problem with exhaust getting in since Explorers have not had the sulfur issue.
#711 of 862 SMELL IS GONE!!!! by sunking9 Jul 01, 2004 (6:05 am)
After 9 months of Toyota denying that my 2003 Limited V6 4Runner was letting noxious fumes into the cabin, I think my problem has been solved. But I'm not sure what solved it.   I started the Lemon Law procedures in Florida which includes allowing Toyota up to 10 days to fix the problem. After one week, the dealer called to say that they had thoroughly checked the vehicle but could still could not reproduce the problem.   I figured I would have go all the way through the Lemon Law hearing.   But since getting the car back last month, I have NOT smelled any of the fumes entering the cabin with the vents on recirculate.   I'm not sure if Toyota fixed it and doesn't want to own up to it, or what ever was leaking sealed itself. I have no idea what fixed it, I'm just glad the situation has been corrected.   I was considering trading the vehicle and taking an $8000 loss. My 4Runner was delivered 9 months ago and has about 13500 miles on it and I am just now starting to enjoy owning it.
#712 of 862 Carbon Monoxide is odorless and very poisonous by fl4runner Jul 01, 2004 (8:05 am)
Replying to: sequoiasoon (Jan 23, 2004 7:37 pm) Just because you don't smell a rotten egg odor or anything else doesn't mean you are ok. Carbon monoxide is odorless and very dangerous. The fact that some people can smell exhaust in their 4runners is alarming to me (with all windows up and air on recirculate). It's not a big deal to me that my truck's exhaust stinks. If the fact that it stinks indicates a more serious problem that will result in reliability issues in the future then I will want to fix it now. But the immediate problem is one of safety.   Some may not smell exhaust in the cabin because their nose is not as sensitive as others. Maybe their truck does not emit the sulfur due to catalytic converter particulars, cleaner gas, tighter gaskets around the windows (so less gas gets in), etc. But the fact is that all 4runners are built pretty much the same (with minor manufacturing variance). This is a systemic problem, catbon monoxide getting into the cabin. All 4runner owners should be concerned.   I originally taped up my vents to stop the exhaust from getting into my 4runner. That reduced a lot of it but did not completely eliminate it. Sometimes I still get the smell. I will soon divert the tailpipe to the side in hopes that it will help to eliminate much of the exhaust that gets trapped behind the truck in the vacuum created as the "box on wheels" travels at higher speeds. Have you ever drafted behind another vehicle before? Notice how you need less throtle to keep up and how the wind resistance decreases? It's the vacuum created by the vehicle in front of you. That vacuum sucks outside air into the cabin along the little spaces between rubber mouldings and glass, tail light assemblies, etc.   I feel that the 4runner is a drafty truck, probably because of the roll down window and other non-airtight fixtures. With it's boxy shape it creates the vacuum that brings outside air into the cabin. The outside air right behind the truck is full of exhause because that is where the tailpipe is. People notice it because our 4runner has more rotten egg smell than the average vehicle. All these factors come together to cause the smell which created this forum.   My concern is to eliminate the carbon monoxide that I know is present in my vehicle. Carbon monoxide poisoning can cause you to pass out at the wheel and crash. It also has a cumulative effect that can cause health effects and death later on in life. I care about my quality of life enough to try and fix my problem. Replies to this message: toyboxx (Jul 01, 2004 9:48 am)

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