p0031 fix.
If your wj has this or any o2 sensor code and the light still comes on after a sensor change check the wiring. I found this after removing the loom and no it was no where near the exhaust.

If your wj has this or any o2 sensor code and the light still comes on after a sensor change check the wiring. I found this after removing the loom and no it was no where near the exhaust.