Kia Optima: Intake Air Temperature Sensor (IATS). Description and OperationTo calculate precise air quantity, correction of the air temperature is needed because air density varies according to the temperature. So the ECM uses not only MAPS signal but also IATS signal. This sensor has a Negative Temperature Coefficient (NTC) Thermister and it's resistance changes in reverse proportion to the temperature.

Installation
Intake Air Temperature Sensor (IATS). SpecificationsRear Body. Body Repair
Side outer panel rear corner
Rear package tray trim mounting hole
(Ø10)
Rear transverse trim mo ...
Tire Replacement
1. Park on a level surface and set the parking brake firmly.
2. For manual transaxle vehicles, shift into R (Reverse). For automatic transaxle
vehicles, shift into P (Park).
3. Activate the hazard ...
Towing
If the vehicle needs to be towed, call a professional towing service. Never
tow vehicle with just a rope or chain. It is very dangerous. ...