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Thread: RE: Rotten Egg Smell Exhaust

  1. #1
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    Default RE: Rotten Egg Smell Exhaust

    As many of you will recall, I have a problem with rotten egg smell exhaust... Gas type, and octane seem to have no difference...

    Well, I've come up with a theory, just wanted to see if I could be on the right track, of if I should just shut up cause I'm way off...

    Anyways, my theory involves not enough exhaust flow running through the system.... so sulphur (or whatever it is that makes the smell) is being deposited in the cat?

    My reasoning is my driving habit. I normally don't rev the car up very high (except when racing of course) An example, I'm usually going down Macloed trail doing 60kph in 5th gear, running about 1500 rpms. I'm not revving higher in 4th gear or even 3rd. I use overdrive quite a bit...

    So maybe the constantly lower revving isn't putting enough flow through the system to drive all the crap out of the exhaust?

    Yes? No? Maybe? Shut up and deal with it?

    Thanks for any input guys!

  2. #2
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    60km/h in 5th?? I'm not sure about the smell, but driving at that speed and gear can't be good.
    The slowest I run 5th is about 75km/h
    Damn +44411's

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    How is that not good? My car made peak torque on the dyno barely over 2000 rpms, I don't have to rev high to make driveable power.

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    As long as your not bogging the engine it's probably better for it. Anyways it sounds like you have a faulty cat, and should take your car back to the dealership and make them change it out. I'm assuming since your car is an '01 that it is still under warrenty? Or use this as an excuse to get a new exhaust system and lose the cat entirely.
    You start with a bag full of luck and an empty bag of experience. The trick is to fill the bag of experience before you empty the bag of luck.

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    Tried the dealership thing. Twice. Two different dealers. They don't want to replace it. I've spend the last year trying different brands of gas, and wasted money on higher octanes (at both dealers reccommendation) and they won't do a thing.

    I don't have to replace the exhaust either, because I'm selling the car next year. I don't want to spend any more money on it.

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    Is there a place in calgary to get emmissions testing done? If there is take your car there, get a test done, then take that test back to the dealership throw it in their face and tell them that they WILL replace your cat, AND pay for the test. Some dealerships will try and get out of doing warrenty work anyway they can, you have to be forcefull with them to get what you want.
    You start with a bag full of luck and an empty bag of experience. The trick is to fill the bag of experience before you empty the bag of luck.

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    That's an idea... You think this test would show failing results because of a smell?

    I was also thinking... JC Whitney sells a Catalytic Converter cleaner stuff.... junk you just dump in with a full tank of gas.... any thoughts on that? I can't seem to find any in town at Canadian Tire, Partsource, or Auto Value... but I'll order it online if it might be worth it...

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    Cut the Cat
    Travel

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    Doubtful. Because your car is so new it's probably a manufacturing defect that is causing it and not the fact that it's plugged or dirty. You will 'fail' the test if your cat is bad, which a rotten egg smell typically signifies. The test will give you and the dealership proof that your cat has failed and it's time for a replacement. And because they chose not to replace it when you asked they should be made to foot the bill for the test as well. This is all assuming there is a place to get tested in calgary.
    You start with a bag full of luck and an empty bag of experience. The trick is to fill the bag of experience before you empty the bag of luck.

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    Well I just made another appointment at the dealership for next week... so we'll see what they say this time.

    I think I'm even going to put the engine back to stock... just to be safe....

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    Hey davan.,. I am working at jack carter now.. But you are the the only person with the problem, and i know the smell that comes from your car. I have had several cavs come down in the basement with less than 10km on them that have the same smell (all z24's, but one was an auto) i dont think it has to do with revs at all. i think the cat it self is not properly built and is untreated exaust is going though only 1/2 procesed kinda thing... Its funny.. there is a black 2003 vette in the basement that has the same smell... when i buy a 79 000 dollar car or a 22 000 dollar car i should not have to have that smell (ill talk with some techs tomorrow and see what they say)
    Originally posted by rage2

    Just because you're older... doesn't mean you need older women. Nothing wrong with an 18 year old here and there!

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    Cool! Thanks for looking into that for me, Rob. I'm bringing in the car next thursday, maybe I'll see you then!

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    Sounds like whomever is building GM's cats are suffering from quality control issues. I'd be willing to bet that theres a recall coming down the line...
    You start with a bag full of luck and an empty bag of experience. The trick is to fill the bag of experience before you empty the bag of luck.

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    This is GM.. what is quality control??? no offence to GM drivers, but i see your car before you do, and some of the shit that is wrong with these cars is nuts.. How does a car get through "quality control" when half the car missed the paint booth, but still got clear coat??? or my favorite is auto tranny fluid in the oil drain pan.. good thing the car only had 6km on it when we caught this.. That is the biggest reason that 99% of cars in the shop right now are warrenty... i would hate to work up there
    Originally posted by rage2

    Just because you're older... doesn't mean you need older women. Nothing wrong with an 18 year old here and there!

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    Also, this is GM, what's a recall?

    IE: Every single getrag tranny I know of makes a chain rattling noise. GM says it's normal.

    Every single 2.4L motor I know of with over 135,000 kms has had the water pump replaced, at least once. GM won't recall that either.

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    Originally posted by ninspeed
    This is GM.. what is quality control??? no offence to GM drivers, but i see your car before you do, and some of the shit that is wrong with these cars is nuts.. How does a car get through "quality control" when half the car missed the paint booth, but still got clear coat??? or my favorite is auto tranny fluid in the oil drain pan.. good thing the car only had 6km on it when we caught this.. That is the biggest reason that 99% of cars in the shop right now are warrenty... i would hate to work up there
    Well if thats true then I would hate to see what other car makers are putting out. GM just ranked second, above toyota, below honda, in the most recent JD powers survey.
    You start with a bag full of luck and an empty bag of experience. The trick is to fill the bag of experience before you empty the bag of luck.

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    Originally posted by 5.9 R/T


    Well if thats true then I would hate to see what other car makers are putting out. GM just ranked second, above toyota, below honda, in the most recent JD powers survey.
    But were those results not based on customer satisfaction surveys?

    The majority of people out there aren't car people like us. They aren't going to complain about the small things that we pick up on...

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    True but if GM owners do not pick on the small things, then neither do honda, toyota mazda etc. owners. Thats what we have to assume anyways, since it can't be just GM owners that do that. Besides, toyota has recently cut a whole bunch of content out of their cars, so a fall in their quality makes sense.
    You start with a bag full of luck and an empty bag of experience. The trick is to fill the bag of experience before you empty the bag of luck.

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    i had a rotten egg smell once, i thought it come from the exhaust because i only smelled it when the car was running. ends up it was the smell of my battery dying.

  20. #20
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    Alright, place your bets, ladies and gentlemen.

    The car is at the dealership right now.

    How many says I'll get a phone call saying there's nothing they can do? That it's normal? That I should try different type of gas?

    Or how many say they'll actually want to replace the damn cat, finally?

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