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2004 Honda Civic EX Thermometer Fluctuates

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Old 05-14-2013
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2004 Honda Civic EX Thermometer Fluctuates
My thermometer started fluctuating the other day, when I would drive 35 or under it would red line on the "H" regardless if my heat/air was on or off. But my car is NOT overheating. I checked the coolant and it was where it needed to be. I also don't have any heat coming out if I go under 35 mph. Any suggestions on what could be going on? Is it a bad thermostat?
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Old 05-14-2013
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Re: 2004 Honda Civic EX Thermometer Fluctuates
When engine cold !!

Pull the cap from radiator and check level inside.
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Old 05-14-2013
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Re: 2004 Honda Civic EX Thermometer Fluctuates
Originally Posted by CraigW
When engine cold !!

Pull the cap from radiator and check level inside.
Yep. OP probably only looked in the plastic reservoir, not the radiator.
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