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Bad Smells
I have a custom 2012 C6 Vette. My car also has a custom exhaust. Over the last several months I have noticed a strange odor coming from the exhaust ever time I go into passing gear, or get on the throttle. The car has a strong sulfur smell I can even smell inside the car with the windows up. I have had the car on a lift and checked for exhaust leaks, and there are none. I also had my mechanic wrap the pipes in the rear were they come out of the back of the car. I had an emissions checked to see if maybe the catalytic converter was out, and the car passed. Anyone have any ideas about his problem?
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Any Ideas???????????????
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No one here ever had any problems like this ????????????????
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64 views and not an idea????
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From time to time, I get a bad smell from my stock base model '13. Dealer says they can't replicate it. My wife's '12 Tahoe does it also. I am guessing it is the Cat system.
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On one of the other forums several people said that certain GM products over the last ten years just do not like the high sulfur gas at certain stations. A couple of folks replaced their cat system and the smell was back in two months. Just an FYI for those that my also have this problem. No solution yet! here is a video of my car.
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Originally Posted by Terry Young
(Post 72538)
I have a custom 2012 C6 Vette. My car also has a custom exhaust. Over the last several months I have noticed a strange odor coming from the exhaust ever time I go into passing gear, or get on the throttle. The car has a strong sulfur smell I can even smell inside the car with the windows up. I have had the car on a lift and checked for exhaust leaks, and there are none. I also had my mechanic wrap the pipes in the rear were they come out of the back of the car. I had an emissions checked to see if maybe the catalytic converter was out, and the car passed. Anyone have any ideas about his problem?
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Terry: Curious as to how you are getting an exhaust smell in the cockpit when you are in passing gear. Even w/ my side exhausts, I've never smelled exhaust.
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I had an '08 Duramax and it had the smell in the cab. Ended up being a leak where the header and pipe were joined. They had a recall on them. But they say they can't duplicate it on my '13 Vette or my wife's '12 Tahoe. Stinks- in more ways than one!
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Originally Posted by Terry Young
(Post 72538)
I have a custom 2012 C6 Vette. My car also has a custom exhaust. Over the last several months I have noticed a strange odor coming from the exhaust ever time I go into passing gear, or get on the throttle. The car has a strong sulfur smell I can even smell inside the car with the windows up. I have had the car on a lift and checked for exhaust leaks, and there are none. I also had my mechanic wrap the pipes in the rear were they come out of the back of the car. I had an emissions checked to see if maybe the catalytic converter was out, and the car passed. Anyone have any ideas about his problem?
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Exhaust Smell Still There...
Took an 800 mile trip this past weekend and noticed the smell several times. My '13 now has 25,600 miles on it and dealer is still saying he can't duplicate it. :confused:
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I am not using ethanol either. I have a near by station that sells 93 octane w/o ethanol. To me it smells like the cc. I don't smell it all the time.
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Try changing gas stations.
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I am not sure what that is going to solve when other folks around the country are having the same problem. I would guess it was mechanical issue. Some of the other folks I have talked with, most are using ethanol but some are not.
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On 800 mile trip, I did use different stations...:p
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