If the fans and other engine cooling systems are working fine then most probably the problem is due to an advance timing of the vehicle.
Have your engine timing checked and properly adjusted. An advance timing will cause the engine to run hotter than normal. Also, an old engine oil will cause the engine to run hotter because it looses most of its ability to suppress friction. Clogs in the water system and oil delivery system will also cause the engine to run hotter. A malfunctioning water pump will also cause the engine to run hotter and almost all the time, cause it to certainly overheat. Another is the radiator, if it usually loses water/coolant, then you have a problem right there.
Check electric fans to see if they are coming on. and also make sure there is enough anti freeze in system. if fans do not work proper, check the fan relay if relay is ok. then the problem is either a bad wire or the fans itself are bad. to check fans-- take wire connector off of fans, then run a wire from positive on battery to positive on fan, ground other wire if need be. if fans do not run then thats your problem.
Is it throwing a DTC/OBD code, causing the Check engine light to come on or does the thermostat read that it is running hot? Either way, the plastic coolant parts in this car wear out, leaving cracks in the coolant parts (overflow bottle, thermostat housing, other various hoses). These leaks may be small enough where they will not be obvious leaks and may only show up when under pressure (when car is running). Air in your coolant lines will cause an overheating issue and does need to be addressed. If your the OBD and/or temp gauge is telling you that the car is running hot, I would make sure that you dont have a coolant leak
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