Check Engine Light off/on

Asked by Car_Q Apr 28, 2019 at 08:31 AM about the 2011 Dodge Charger

Question type: Maintenance & Repair

I have a 2011 Dodge Charger. The check engine light has come on 3 times recently. The code is P0128 and indicates a coolant thermostat. The dealership has replaced the sensor and the light has come back on for a third time but went off on its own. Any ideas?

3 Answers

1980GP answered 4 years ago

Did they replace the thermostat? The code comes on when the thermostat stay open at all times

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10

GuruL2K38 answered 4 years ago

Yea if they replaced the coolant temp sensor, 9 pot of 10 times it’s the thermostat, so it going to need the thermostat

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