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Thread: 'bad egg' smell from exhaust

  
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    sev'sSRI's Avatar
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    'bad egg' smell from exhaust

    ive noticed the above accoasionally coming from my exhaust.

    what causes this? and is there a way of getting rid of it?

    Also does this affect anything with regards to MOT etc?

    thanks

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    jay106's Avatar
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    hi mate the cat is probably on is way out

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    Glasgow_Stu's Avatar
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    as said.. sounds like cat m8
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    its not that bad smell, just occasionally. do u think it could have anything to do with the fact i have changed the back box n tailpipe?

    i wouldnt hav ethought so as the CAT has not been touched and is up near front?

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    Riskoe's Avatar
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    Ive had this on both my Astras and its usualy after I rev the nuts off it lol.
    1.8 SE2 Coupe! Let the mods begin...

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    Don't panic mate. It's your cat what is doing it but it's normal. It's a sign that your cat is working and doing it's job. Some smell bad some don't smell at all. If you don't like it, use a different fuel with a higher octane rate, like v-power, and it will be gone. All down to how the chemicals work in the cat, but as I said your cat is working fine

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    thanks alot thats helped me loads.

    thanks all!

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