Check the thermostat. Another reason could be the head gaskets are blown.
It could be that the transmission cooler in the radiator is plugged.
what will cause a Ford Taurus 1998 24 valve to overheat
My 98 ford Taurus jumps while idlingidling
a giant oven
There are several things that can cause your 2002 Ford Taurus to hesitate when accelerating. A dirty air filter will cause the problem.
Check the coolant in the 96 Taurus. Check to insure that the thermostat is working properly, and that the water pump is working.
have you flushed your radiator or changed the thermostat it could be stuck
The Taurus could overheat for several reasons. The coolant could be low, the fan might not be operating properly, or the engine could have a stuck thermostat.
AnswerThis is a symptom of an overheating engine. See "Related Questions" below for an excellent trouble-shooting guide to overheating problem.