Car Problem Reports

Dodge Ram 1500 Check Engine Light Due to Failed Thermostat

Dodge Ram 1500 Problem
14 Reports
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Model Years Affected: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

Engines Affected: 3.7L V6, 4.7L V8, 5.7L V8 HEMI

Average Mileage: 163,111 mi (111,001 mi - 207,980 mi)


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.

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