It means oxygen sensor bank 2, sensor 2. Before replacing parts you will need to check for vacuum leaks. Just because you have a code it doesn't necessarily mean that part is defective.
Yes
Yes , the 2002 Dodge Intrepid is front wheel drive
No.
No
No
A 2002 Intrepid has 6 upper and 6 lower rod bearings shells.
5w30
You could try searching for instructions on YouTube.
Dodge does not use inertia/reset switches.
At a recycling yard.
It has an engine computer (PCM)
No