Yes
It is inside the torque converter.
Yes I am looking for parts for my 97 jeep
Two, one on each side of the catalytic converter
No, the ecm is set to operate only 6 cylinders, you need the ecm from the vehicle you got the engine from.
Yes.
A 1997 Jeep does not have EGR
It is inside the fuel tank, you will need to drop the fuel tank to get at it
yes
yes
No.
Yes, they will.
5/8 inch spark plug socket.