P0138 & p0441

myjeep3

TJ Enthusiast
Original poster
Joined
Jul 4, 2019
Messages
730
Location
MA
P0138:

O2 signal tracking (wet/oily) in connector due to short from signal to power circuit.
O2 signal circuit is open
O2 group circuit is open
02 is damaged or it has failed.

P0441:
Evap Purge system performance

The O2 sense codes does not specify each sensor it is, and I know there is 2 sensors.