Thread: 2004 Grand Prix - P0128

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  1. #1 2004 Grand Prix - P0128 
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    I am getting the P0128 engine code.

    I got it about two weeks ago and it went away after I added some antifreeze, but it's back. Should I look into getting the thermostat replaced?
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  2. #2 Re: 2004 Grand Prix - P0128 
    GT Level Member Seachicken's Avatar
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    cheap and easy
    06 Gxp, Bermuda Blue
    82 K5, Black on 35's
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  3. #3 Re: 2004 Grand Prix - P0128 
    GT Level Member JessicaRebel's Avatar
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    I would, and it really is cheap and easy. I just replaced mine cause it was throwing the code and causing my SES light to come on.
    Quote Originally Posted by SDGTP99 View Post
    GPs eat sockets as Cookie Monster eats cookies.
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