Intermittened Check Engine light ... 2005 Forester

Discussion in 'Subaru Forester' started by coaster, Jan 25, 2008.

  1. coaster

    coaster Guest

    .... well continuation of my saga ... the Check Engine light will stay off
    1/2 a day then will go on for 1/2 a day ... what can be the cause?
    coaster, Jan 25, 2008
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  2. coaster

    Brian Guest

    I re read your original post and can't find where you listed a trouble code.

    Brian, Jan 25, 2008
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  3. coaster

    Dano58 Guest

    A lot of things. You need to get the codes pulled at Autozone (or

    Dan D
    '99 Impreza 2.5 RS (son's)
    Central NJ USA
    Dano58, Jan 25, 2008
  4. coaster

    Todd H. Guest

    Code may be stored in memory. Might be a good excuse to drop $100 at
    Wal Mart for an ODBII scanner. Or a trip to Auto Zone when it's not
    busy for them to read it.
    Todd H., Jan 25, 2008
  5. coaster

    Brian Guest

    -- original post --
    I'm gonna agree with Todd and say this may be a good excuse to drop some
    money on a code reader, or find a place that is willing to help you out. I
    am not from Australia, so I can't make any recommendations where to go, but
    surely you have an auto parts store that you could start with?

    Brian, Jan 25, 2008
  6. coaster

    Sheldon Guest

    Keep in mind that if you get an inexpensive code reader it will be cheaper
    than taking it to a dealer to have the code read. They charge you to read
    the code, and then charge you to fix the problem. On an intermittent
    problem the code is usually held in memory that the code reader can find
    even if the light isn't on.
    Sheldon, Jan 26, 2008
  7. coaster

    StephenW Guest

    Remember this: a code is a symptom, not a diagnosis. You go to a Dr. with a
    fever, he has to use his knowlage to figure out the cause.
    the same with (most) codes

    ASE Master Tech
    L1 Diag
    Currently residing at a Subaru Shop
    4.5 years doing tires and alighnments
    StephenW, Jan 26, 2008
  8. But reading the code yourself is still a fine idea. If you feel
    feverish, it's generally a good idea to take your temperature before
    you make the decision to see your doctor about it.
    L. Ross Raszewski, Jan 26, 2008
  9. coaster

    StephenW Guest

    I agree ;)
    But part of the reason Parts houses read codes is to hopefull get you to buy
    a part, and in some cases the code is telling a story.
    The one thing I know is that if you have a knock sensor code on a subaru,
    replace the knock sensor. (o2 heater codes are cut and dried also)

    ASE Master Tech
    L1 Diag
    Currently residing at a Subaru Shop
    4.5 years doing tires and alighnments
    StephenW, Jan 27, 2008
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