05 cobalt uses a lot of oil

Discussion in 'General Discussion' started by dano1957, Feb 3, 2018.

  1. dano1957

    dano1957 Junior Member

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    car has just over 100000 miles and sometimes it uses a lot of oil . no external leaks no smoke , nothing in coolant or transmission. I am talking 15 qts in3 months time less than 5000 miles.
    any ideals
     
  2. esox07

    esox07 Junior Member

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    I hear you. My daughter's 2007 Cobalt (about 180,000 miles) eats oil too. It doesn't smoke, runs great and there is never any oil under it after parking in the garage. I think she is adding a quart every 400 miles or so. Where is it going?

    My wifes 2009 Cobalt doesn't use a drop and it has over 200,000 miles.
     
  3. Sgwafng

    Sgwafng Junior Member

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    2006 - 190k here. I check oil every 500mile; roughly add a quart every 1000 miles. I drive 2k a month so maybe 5-6 quarts in my case. 15 quarts in 3 months seems excessive. I had a dealer not attach the upper intake manifold to throttle body properly burned a ton of oil before I found it.
     
  4. Sgwafng

    Sgwafng Junior Member

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    *air intake* plastic secured with worm gear
     
  5. esox07

    esox07 Junior Member

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    I would think that a loose intake at the manifold would throw all kinds of codes for a vacuum leak.
     

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