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SUVs Toyota 4Runner Sulfur Smell from Toyota 4Runner
862 messages, Last post on Aug 20, 2009 at 3:48 PM
You are in the Toyota 4Runner Forum. Your Hosts are steve_ & tidester
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"...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. |
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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. |
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Replying to: sequoiasoon (Jan 23, 2004 7:37 pm) 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.
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Replying to: fl4runner (Jul 01, 2004 8:05 am) I honestly would like to see someone who has these complaints/concerns do a good and comparative test. |
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| As soon as I got out on the road after being at the Toyota service dept., I noticed that the "VSC Trac" and "VSC Off" warning lights were lit and stayed lit. I was hoping it would go away so I drove home, but since it was still lit I called the Toyota service dept. and alerted them.. They said I should bring it in tomorrow for them to look at. Has anyone else had this happen after going in for the exhaust fix under that new TSB? | |
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Replying to: 4rnr (Jun 24, 2004 7:04 pm) I hope I won't experience any more sulfur fumes from my 2003 V-8 Sport. Thanks again, Gerry
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| My toyota service dept. seems to have fixed the problems with the warning lights. If I am reading this invoice right, the check engine light had something to do with the 02 sensor heater control shorted against the body,......they repaired the wiring harness. The VSC Off/Trac warning lights were due to the Decel Sensor Undone. They recalibrated the Decel Sensor. I hope it lasts, I haven't driven much since coming home with the 4runner due to severe thunderstorms in my area. But everything seemed OK on the way home. | |
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Replying to: gcmello (Jul 07, 2004 9:45 am) |
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| I took my 03 Ltd 4runner to my local dealer about the smell. He said Toyota stated it was a normal smell for the 4runner and showed me a TSB that stated it. I then pulled out the June 14th TSB and showed him that Toyota has issued a fix for the"normal smell" if a customer complains. He said they would only fix it if the warning light was on. I then showed him that the TSB says nothing about the warning light. He went to his manager and came back and said he would call me when the catalytic converter was in. THANK You All! Here's to a clean smelling ride! | |
Hey how are things re the sulfur smell repairs you guys? Since there have not been any posts for over 2 weeks I take it your 4 Runner's are operating perfectly? The reason I ask is on another forum there have been two reports that the smell has come back even after the TSB has been done.
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