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2003 Cadillac CTS Question: engine check light

 

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obiespadeconobie, 3.2L V6, Rincon, GA, December 10, 2009, 12:55
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engine check light came on and when i put the obd II the code came back p0128

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  • Answer #1

    December 10, 2009, 13:35
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     Master

    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.

    http://repairpal.com/check-engine-light

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