2004 Dodge Ram Gauge read extremely hot but its not

2004 DODGE RAM
58,000 MILES • 6 CYL • 2WD • AUTOMATIC
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CFELTS22
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  • 1 POST
My temperature gauge is registering very high about 90% of the gauge but the engine isn't to hot the mechanic said. Changed the thermostat and it stayed the same then got a new radiator cap with a temperature gauge and its staying 170 or lower? Any idea's? Temperature sensor? I've spent $225 and really the only answer is coming from the new cap. Could the engine be hotter than the coolant the new cap is reading?
Sep 8, 2009 at 2:14 PM
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RASMATAZ
  • ASE Certified Mechanic
  • 75,992 POSTS
  • ASE Certified Mechanic
Check and test the coolant temperature sensor or the engine temperature gauge switch if it has one.
Sep 8, 2009 at 2:18 PM
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