To be absolutely certain, you should:
* Consult a repair manual: A Haynes or Chilton manual specific to your 2000 Chrysler Sebring will have diagrams showing the exact location.
* Use an online parts diagram: Many auto parts websites (like AutoZone, Advance Auto Parts, etc.) allow you to look up parts diagrams for your specific vehicle year, make, and model. These diagrams often show the sensor's location.
Without knowing the specific engine, providing a more precise location is difficult, but the information above should help you narrow down the search. Remember to always disconnect the negative battery terminal before working on any sensor.