Question about 2004 Dodge Dakota

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Heater gauge The engine on my 2004 Dodge Dakota pickup reads hot but the engine is not hot. The fan is working fine. Would the problem be the thermostate or a sensor?

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The sensor is normally found on the lower radiator tank and before getting too quick to buy one, check the connection of it first. Some have a quick disconnect in the body of the sensor, others have a 'pigtail' that has a connector at the end of it.
Simple corrosion can cause loss of contact. If it has two leads, one will be ground so disturb both. If it has one lead, loosen the sensor a little (half turn or so) and re-tighten to clean the grounded side of it.
Typically, loss of the ground is what can cause the temp gauge to peg on the high side.
    

Posted on Feb 13, 2009

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My truck starts running hot then I turn the heater on and it blows cold air but every once in a while the heater will throw out hot air. Then the temp gauge will go down. I've check med the radiator cap...


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unless there is water in the engine the gauge will not be able to show the actual temp of the engine, so always malke sure you have water / antifreeze

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