Burning oil
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This is a discussion on Burning oil within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; so the last couple times i went go get my oil changed, the service guy says that i had no ...

  1. #1
    Registered User
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    Nov 2005
    San Diego

    Burning oil

    so the last couple times i went go get my oil changed, the service guy says that i had no measurable amount of oil. Since i have no leaks, I am almost certain my car is burning oil. Does anyone know why this is happening? I am using mobile 1 5w-30, do you think i should switch to a 10w-40 or something even thicker?

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  3. #2
    Moderator   Sasquatch's Avatar
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    Apr 2004
    Southeastern PA
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    I bought my 2004 WRX new ... after 5.5+ years, 49k+ miles using only Mobil 1 5W-30 I cannot detect any measurable amount of oil consumption.

    Do your own oil changes.
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  4. #3
    Registered User PHTBMA's Avatar
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    Dec 2009
    New Zealand
    i know that my 99 wrx has a slight oil leak which i have been told is from the cam seals, it drips onto the exhaust and burns off but that is only under hard boost or highway driving, although i dont really even see a drop in the oil level at all.
    1999 WRX Wagon
    STI bits

  5. #4
    Moderator Donkey's Avatar
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    Apr 2005
    Da boonies
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    Some cars eat oil,some don't. Sometimes switching toa 5w-40 helps or just a different oil period. I used to burn some oil on 5w-30 Mobil and leak at the seals. Switched to 5w-30 Castor oil and burned less and stopped leaking. Also you could try getting a compression test. Poor compression would = lots of oil blowby.
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