over heating on 2005 Kia Sedona

I have had thr theromstat and hoses replaced, when setting at a red light the temp. gage will show running hot until I start to move,it only happens when the radiator fan turns on.

Asked by for the 2005 Kia Sedona
when your car moves, you have plenty of air to cool down the radiator. when you stop, the radiator fan is all that
keeps the engine from overheating. you need to have the fan
operation checked ASAP---if the engine overheats badly, you
can cook your engine.