toyota celica gts heating problem

What is your question?

i have a poblem with my toyota celica gts my car is geting hot and i already replace a bunch of parts. they told me that ita can be the fan resistor censor i already check everything else can that be the problem.i change the radiator coolant censor check the water pump change the thermostat change the main water hoses. please help me i need a accurate answer to my problem. thanks