Does the temp gauge go up when your car is in drive or idle?

Updated: 4/28/2022
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15y ago

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You should notice some rise in temp because there is no air flowing through the radiator, or at least not as much as there would be if you were driving. A vehicle with a mechanical fan will notice it less than one with a thermostatically controlled electric fan.

However if the temperature rises above the set point of the thermostat then there may be a problem with the fan operation.

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Q: Does the temp gauge go up when your car is in drive or idle?
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