Q: 2013 Dodge Charger Thermostat P0128

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I have a 2013 Dodge Charger w/MIL showing code P0128, P0128, P0128. I put in a new thermostat but the MIL is still on? Why?

My car has 87000 miles.
My car has an automatic transmission.

You will need to have the engine scanned and compare when engine is cold the engine coolant sensor and the ambient air temperature sensor to see if they read within 5 % of each other and the engine started and the engine coolant warms up with in 8 minutes to 180 degrees. If the inlet ambient air temperature is not accurate then replace sensor.

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