grey or blue smoke out tail pipe
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This is a discussion on grey or blue smoke out tail pipe within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hows it going everyone, heres the situation. Lately the car has been releasing a little bit of bluish grey smoke ...

  1. #1
    Registered User Gwangsun's Avatar
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    grey or blue smoke out tail pipe

    Hows it going everyone, heres the situation.

    Lately the car has been releasing a little bit of bluish grey smoke about 30 seconds after i turn on the car. Its not a lot of smoke at all its very minimal, just barely reaches about 3-5 inches from the tail pipe before it dissipates. It does this every time I turn the car on after sitting a few hours.

    Any ideas?

    Thanks
    "Two things are infinite: the universe and human stupidity; and I'm not sure about the universe." -Albert Einstein

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    Registered User teflon_jones's Avatar
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    Sounds like somebody is burning a little oil. This is typical of boxer engines, especially at startup.
    Scott
    Past Subies - '11 STI Limited stage 1+ and '04 STi stage 2+
    '13 Wrangler Rubicon - custom front bumper w/12k lb winch & off-road lights, skid plates, diff guards, etc.
    '04 Porsche 911 Turbo GT2 clone 600 HP/TQ
    '77 F-150 heavily modded for off-roading

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    Registered User Gwangsun's Avatar
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    Consumption of the oil is not bad, but I have to make sure I keep an eye on it. Iím using royal purple 5w30 and I hear that it burns fast, just switched to it last oil change and Iím about due for another this week. Since the last oil change I had to put in about 3/4 of a quart.
    "Two things are infinite: the universe and human stupidity; and I'm not sure about the universe." -Albert Einstein

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  6. #5
    Registered User Timdog1650's Avatar
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    If you're not losing a ton of oil, I wouldn't let it bother me. Having aftermarket exhaust will make the smoke more noticeable...

    If you had a Supra, I would know exactly what was wrong with your car...with a WRX though, I would just keep an eye on the oil and make sure it does actually go away once you're warmed up.

  7. #6
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    i've lately noticed a similar thing on my car. after the car is warm, it starts produce greyish/bluish smoke. The car drives fine. Power is still there. I'm hoping its the turbo and not the pistons.

    I'll try to take a video and post it for better diag.

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