Quote:
Originally Posted by Galane
So I changed the 195F thermostat for a 180F one. Runs great but in traffic, even when it's cool and raining, the temp gauge will go up almost to the red, the fan kicks on then it drops down to just below halfway. Wash, rinse and repeat.
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On my car (06 GP) the operating range 194 to 225. The cooling fans with the AC off, won't come on until the temp reaches 220 degrees then turn back off at 197degrees, via the u gauge. The factory temp gauge acts very similar to your description, this appears to be normal operation as the temperature stays within the specified operating range.
Read this for some insight on factory instrumentation:
http://http://ecomodder.com/forum/sh...ges-19568.html
An alternate method of checking the engine temperature may be in order.