2011 3.6l Dtc p0128 - Jeep Garage - Jeep Forum

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Old 12-09-2013, 08:41 PM
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2011 3.6l Dtc p0128

I have a 2011 with 39k miles. I have owned it about 3 weeks and this is the second time I got this code. It sounds to me like thermostat may be sticking but not sure if it's just cooling really well and with the cold temps it is cooling below what the engine thinks it should after opening the thermostat. Just curious if anyone else has experienced it.

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