Use a 02 socket. The 2 sensor are located in front and behind the cat.
on the intake
In a 1998 Jeep Wrangler, the oxygen sensor is located in the exhaust pipe. It can be found just below the junction of the exhaust manifold and the exhaust pipe.
On a 1990 Jeep Wrangler, the IAT sensor is located on the intake manifold. It is a gray, two-wire system situated on the front of the manifold.
The throttle position sensor is a potentiometer.
That is located on the back top side of the catalytic converter, right where the outlet tube leads to the muffler.
It is located on the drivers side of the throttle body
It will bolt up, but the manifolds, flywheel, wiring are different. Also the 1997 head does not have a hole in the rear for the temperature gauge sensor.
bellhousing driverside
on the upper and rear/back edge of the flywheel cover on the driver's side. 2 bolts hold it in.
A 1997 Jeep Wrangler uses green coolant.
In the tank.