There is a filter located at the lest rear of the fuel tank
No, it does not.No, it does not.
It doesn't have one.
A 2003 Chrysler Sebring is fuel injected and does not have a choke.
Under the front passenger seat.
It is behind the engine mount on the radiator side of the engine.
You will need about five quarts.
It is on the radiator side of the engine, behind the motor mount.
The owners manual for a 2003 Chrysler Sebring LX is found at an automotive shop. It can be found and purchased from the dealership as well.