Mitsubishi Repair: iat sensor or ecu sensor, mass air sensor, intake air temperature

Question
I have a 2003 mitsibishi lance es and it has a 2.0 l in it non turbo i dont know wheter i have a ecu or a iat sensor i would like to know thx u  

Answer
Ned,
Your car has both an IAT sensor (Intake Air Temperature) and an ECU (Engine Control Unit; the car's computer).  The IAT is part of your car's mass air sensor and measures the ambient temperature of the air entering your intake system.
Good luck!