If you mean the fuel pressure regulator, it's connected to the fuel pump inside of the tank.
It does not have one.
It is above the inboard edge of the fuel tank.
A 1999 Dodge Caravan does not have a mass airflow sensor.
Yes, since you asked about the same year and engine for both.
No, the bell housing pattern is different.
www.Autozone.com
If both are 3.3 yes they will swap.
If it's the same type of transmission that came from/is going on the same engine, yes.
In the fuel tank.
torque for the rod bearing 2000 dodge
No
96 to 00