Check the crank angle position sensor. It is located on the left side (drivers), at the crank shaft. There is one fastener and an electrical plug to remove the sensor. I found it was easier to get off and back on by removing left front wheel and going through the wheel well.
It is in the fuel tank.
5W30
.050
You have to remove the fuel tank.
Very few if any will fit. They are different body styles with different engines.
A Chrysler Sebring does not have a reset switch.
It had zero from the factory. Aftermarket steering or suspension components could have them.
Not without major modifications. It will not simply bolt in and run.
4.5 quarts
Yes.
The water pump is inside the passenger side of the engine, driven by the timing belt.
33 p.s.i.