o2 sensor

I noticed a power surging in my 2018 JLUR last week as I was on my way to take her in to my mechanic to replace a few coolant hoses. I pulled codes and got a fault on one of the O2 Sensors. That was replaced and I haven't had any surging of power at 50-60mph since. However, watching the fuel...

I had to get a new battery in February of this year and of course everything had to reset. I went to go get a smog test and the O2 sensor has not reset and won’t pass smog. I have driven it over 1000 miles doing every cycle, I can find on forms in the Internet. I drove 90 minutes last night with...

So I just replaced a faulty O2 sensor (Bank 2/ Sensor 2) and it fixed my main issue but now I am getting P2096 (downstream fuel trim system 1 lean) and P0171 (fuel system 1/1 lean). These seem to be coming from bank 1, the opposite side of where I was having an issue. Could a bad O2 sensor on...

I've been struggling with a check engine light for YEARS on my 2021 (3.6L V6), and I don't understand exactly what I'm looking at to ensure that my O2 sensors are working properly or improperly. Research on this topic has been pretty frustrating, since from an outsider's perspective, the...

Anyone have any insight on JLU/R throwing a 5V O2 sensor CEL code (don’t have the exact code since it’s at the dealer currently). The dealer cannot figure out what is going on and now are telling me that they need to replace the whole PCM? Background so far: all O2 sensors have been verified...