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I did take it out and drive around the block I couldn't tell a difference bc it was very loud but now I'm getting more codes p132 and p0031!

I will def try that. Which one should I remove the up or the low?

I did and it looked fine. I noticed that my jeep it sounds different and I hear noises coming from under the engine while giving gas also the performance sucks it feels a lil heavy on taking off. I almost have 200k miles on it!! 😳

Sorry that was p0141

Also I'm getting p0420 for CC which I just order 510006 oem obd II magnaflow universal. Should I replace both sensors?

Hey everyone! Im getting o2 sensor code on a 2.4L TJ. How do I know if its the up-stream or the low-stream sensor?

Has anyone done it? This is will be my 3rd summer driving my tj and It's not fun in manhattan traffic! Any advices?

Cool this is will be my next project after taking care of my cat. Thanks man.

Lol I see. I'll prob go with the cheap mods. Any recommendations?

Exactly when I'm on 5th gear it slows down! Should I throw a super charger in there ? Lol

I def will. Thanks a lot :)

2.4 4cyl

I see. Did it effect your jeeps performance?

Oh on looked it up on eBay magnaflow was around $175

Can I use after market cat?

I really appreciate your help.

I see. I guess I'll start with o2 sensor tmrw then take it from there but I'm sure it's the CC my tj has almost 200k

I got those 2 codes

When u said on you meant start the car or just ignition?