White smoke coming from Exhaust on Startup
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This is a discussion on White smoke coming from Exhaust on Startup within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Just as the title says, whenever I start my car in the morning white smoke comes out and no small ...

  1. #1
    Registered User anpato's Avatar
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    White smoke coming from Exhaust on Startup

    Just as the title says, whenever I start my car in the morning white smoke comes out and no small amount either. I looked at the temp gauge and the heat level stayed exactly where It usually is. Havent checked for a coolant leak yet. Im runing a catless downpipe with the stock catback. Any ideas?
    2013 SWP WRX Sedan
    Hillside, NJ
    Invidia Catless Downpipe, Custom Short Ram Intake, Self Tuned Using ECU Flash, Romraider and Tactrix

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  3. #2
    Registered User AccordRanger's Avatar
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    Mine does it too. I think it's just condensation in the exhaust. I have never had a vehicle that didn't do it.
    I did notice once I went catless it did it more. We just went catless on my friends legacy last night and it did the same.

  4. #3
    Moderator Donkey's Avatar
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    The easiest way to tell if it antifreeze is by smelling it as it comes out the tailpipe. If it kinda smells like pancake syrup or is "sweet" then you know it's coolant. But I agree with AccordRanger in that it is probably just condensation.
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  5. #4
    Registered User anpato's Avatar
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    I figured it would be normal. These stock mufflers do a good job of suppressing noise considering theyre a huge chamber. Condensation is a big issue with these.
    2013 SWP WRX Sedan
    Hillside, NJ
    Invidia Catless Downpipe, Custom Short Ram Intake, Self Tuned Using ECU Flash, Romraider and Tactrix

  6. #5
    Registered User nsibanez's Avatar
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    Ya, nothing to worry about. Every car will do this due to the condensation, or cold weather. The only other thing that it would mean is a head gasket and that's very highly unlikely at this point

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    Administrator TheJ's Avatar
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  8. #7
    and the Funky Bunch Calvinball's Avatar
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    Quote Originally Posted by TheJ View Post
    I thought that meant a new pope?
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  9. #8
    Registered User anpato's Avatar
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    Quote Originally Posted by TheJ View Post
    I thought that meant a new pope?
    Hahahaha thats what I was thinking at first too!
    2013 SWP WRX Sedan
    Hillside, NJ
    Invidia Catless Downpipe, Custom Short Ram Intake, Self Tuned Using ECU Flash, Romraider and Tactrix

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