Black smoke on a stage 1 wrx
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This is a discussion on Black smoke on a stage 1 wrx within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Its probably nothing, but my buddy noticed a puff of black smoke come out of my exhaust when I got ...

  1. #1
    Registered User pbart617's Avatar
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    Black smoke on a stage 1 wrx

    Its probably nothing, but my buddy noticed a puff of black smoke come out of my exhaust when I got on the car the other day. I am stage one using tp map.

    Anything to be worried about?

    Thanks

    Sent from my DROID RAZR using Tapatalk 4
    Last edited by pbart617; 10-22-2013 at 02:43 PM.

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  3. #2
    Village Idiot McBill's Avatar
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    Possibly carbon from unburned fuel?

  4. #3
    Registered User W_R_XTC's Avatar
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    most tunes are designed to run rich for safety. that's all it is, is carbon from unburned fuel. no worries

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    Registered User pbart617's Avatar
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    Hmm any way to remedy that? Would adding a downpipe change anything?

    Sent from my DROID RAZR using Tapatalk 4

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    Master Baiter EJ257's Avatar
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    Quote Originally Posted by pbart617
    Hmm any way to remedy that? Would adding a downpipe change anything?
    The remedy would be to make sure fueling is on-point with a WBO2. Typically, a tuner will air on the side of caution and target richer AFRs if they aren't able to get proper feedback.
    2005 WRX STi (Mods | Virtual Dyno)

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  7. #6
    Registered User pbart617's Avatar
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    Can I install a wide-band on the stock downpipe?

    Sent from my DROID RAZR using Tapatalk 4

  8. #7
    Master Baiter EJ257's Avatar
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    Quote Originally Posted by pbart617
    Can I install a wide-band on the stock downpipe?
    Yes. You'd need to weld a bung between the turbo and the first catalytic converter. In order to do so, you'd have to remove the downpipe, at which point, you may as well replace it with an aftermarket unit (that either has a WBO2 bung built-in or you get welded in), if you're able to pass emissions with that.
    2005 WRX STi (Mods | Virtual Dyno)

    Resident Tuner @ WTF Tuning

    "Never trust anything that bleeds for a week and lives ..."

    UNYSOC

  9. #8
    Registered User pbart617's Avatar
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    OK sounds good thank you very much

    Sent from my DROID RAZR using Tapatalk 4

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