catalytic converter

As noted in the title, I think my cats have reached EOL. I think this Jeep lived most of its life in Oklahoma, the chassis was/is pretty clean with little or no rust when we bought it 2 years ago with 103k miles. No CEL’s being thrown, no odd sounds coming from the exhaust system. But it seems...

Aloha, My new to me 2005 Jeep LJ had some power loss issues going up hill and at highway speeds the other day. After reading through the various posts regarding my symptoms I concluded a clogged CAT. I did a temp test on all 3 CATs and the rear had a temp drop that was pretty clear. I removed...

So i replaced my o2 sensors with the NGK sensors about 7k miles ago. Didn’t have codes for a while, but just checked it today and I’m pulling codes P0031, p0051, & p0136 (all related to o2 sensors). I’m also pulling codes for p0303 (cylinder 3 misfire) and p0455 (evaporation emission system...

I have for sale a 49 state legal catalytic converter made by Eastern. It was on my Jeep when I bought it, but wouldn’t pass emissions in CA. It did pass emissions in TX fwiw. The cat itself is in good shape, but the piping downstream is rough. Make an offer!

Hello all, We just removed the front cats from our 2000 TJ 4.0L manual to find that the rear cat is welded to the front pipe. And the new pipe that we purchased is flanged. So at this point I'm looking to cut the flange off and purchase a new rear cat? Any other suggestions? I might be...