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  1. #1 p0128 
    GT Level Member fremmy182's Avatar
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    so today i was driving my car and noticed how it never heated up to where it should normally be at, then the check engine light came on. p0128. i replaced my thermostat already so i dont think it could of ruined that already.. but i keep getting a low coolent light and its always full idk if that has anything to do with it? does anyone know what the reason could be?
    Last edited by fremmy182; 11-09-2010 at 08:59 PM.
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  2. #2 Re: p0128 
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    Do you get hot air out of the vents when you turn the heat on? You might have a bad coolant temp sensor. It is possible to get a faulty thermostat too. You might need to replace it again.

    2002 GTP: GMPP Sway Bars, BMR trailing arms, KYB AGX/Vogtlands, 12" brake upgrade
    Modified SSAC headers, K&N Intake, 3.4 MPS, S1X, Gen V, 104's, HPTuned.
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