The thermostat may fail to close completely, causing the Check Engine Light to illuminate. This problem will prevent the engine from reaching normal operating temperature; a new thermostat should be installed.
Car Problem Reports
Dodge Charger Check Engine Light Due to Failed Thermostat
Dodge Charger Problem
Engines Affected: 2.7L V6, 3.5L V6
Average Mileage: 104,200 mi (50,000 mi - 170,000 mi)
Visitor, 2010 Dodge Charger, 3.5L V6, 70,000 mi
I have the exact same issue. My thermostat only reaches a quarter of the way during high way driving and semi-normal during stop and go traffic.
Visitor, 2007 Dodge Charger, 2.7L V6, 88,000 mi
heat work fine till i would stop at light then would run could also took longer in the morning to heat up 2day later check enginer light cam on (check under hood low anti freez and thermostat
Visitor, 2008 Dodge Charger, 2.7L V6, 143,000 mi
I have anti-freeze residue around thermostat housing and my engine light comes on. The car goes through its info check and the engine light remains illuminated.
Visitor, 2007 Dodge Charger, 2.7L V6
will not get warm while in park or in stop and go traffic but if i get on the highway heat will come on and work til i stop
driving lose of heat guage drops off to cold and the check engine comes on