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2003 Cadillac CTS Question: obdII



obiespadeconobie, 3.2L V6, Rincon, GA, December 10, 2009, 15:57

what does it mean when you get a fault code p0128 from your obdII

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  • Answer #1

    December 10, 2009, 16:34

    This code means that your engine temperature is outside of the normal threshhold. When this happened to me, it was because my thermostat had failed.

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