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i have a p2181 code and etc light on at the same time. on 2009 Dodge Journey

changed thermostate and lights came back on.
anyone had this happen

Asked by for the 2009 Dodge Journey
COULD BE ANYTHING FROM ENGINE COOLANT TEMP SENSOR OR WIRING TO FAULTY IMPELLAR ON WATER PUMP
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COULD BE ANYTHING FROM ENGINE COOLANT TEMP SENSOR OR WIRING TO FAULTY IMPELLAR ON WATER PUMP