In article >,
Penguin > wrote:
#Hi All,
#
#I got a 1998 Jeep Wrangler. I got P0138 error and would like to
#replace the oxygen sensor.
#Can anyone guide me to locate the oxygen sensor?
#
#Thanks,
#Pen

Look at the end of the exhaust manifold, right before it connects to
the pipe that goes to the cat. Make sure you put some anti-seize
goop on the new sensor's threads before you install it.

/herb