Hi,
I have the following 5 codes on my 95 xj6: p1193, p1185-86, p015 B2, S2 and p013 B1, S2.
It would be great if anyone could figure what the possible problems.
I have a few questions on my own.
Are all O2 sensors the same?
Which one do you think is best to get (if it is my o2 sensors)
How can I tell which sensors are bad?
How can I tell if the wiring is the trouble.
Thank you for your time.
Jomo

 

All 4 sensors the same . even the connectors which brings about a common connector swapping position error

There are crush washers on the sensors that seem to make a difference , some of mine were missing , 12 mm not like the spark plugs of 14 mm , removal hex is 17 mm

There is a Youtube test to see if the sensors are alive but not a calibration


See page 111 for codes , 121 is more comprehensive for the 1996 on page 121

801S TITLE (jagrepair.com)

There is 1 fuse for all 4 sensors , fuse # 14 / 10 amp right engine bay fuse box

There are some ground studs you can clean along with 1 connector as this one

PI 61 position 12 White / Green wire , it will be the one in the black connector corner as the one in the pic is hidden









And the sensor pigtail connectors




The aft 2 sensors are used for engine regulation and the fwd 2 are a swapping option as they give code P0420 and 430 measuring Cat effeientcy

See page 81 of the 801S doc