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The “chip” was a performance chip that I had installed a while ago. It’s not something that comes with the Jeep, it’s an add on. If you were to have one, it would be on the passengers side firewall behind the battery tray plugged into your ecu (computer).

I’ll make sure to keep that in mind when someone asks whether I recommend them or not!

Low and behold, bang! As soon as the super chip was removed, Jeep was taken out for a spin and the cat monitor ran and passed. This entire time the chip was not relaying the rpm’s to the ecu which wasn’t allowing the monitor to run. I have a middle of the road scan tool and the shop I was...

Ok I’ll give that a shot, thanks for the advice. I’m actually at the dealership right now and they found that the rpm’s aren’t being relayed to the computer, they are being displayed on the dash but the ecu isn’t receiving any input so we removed the chip to see if that helps.

I know right man?? I don’t want to give up such an awesome vehicle but I’m stuck between a rock and a hard place

I said I bought the “oem replacement” not the original cat. But it is the correct cat for my Jeep, which is a 2.5 by the way. I’m telling you bro I am not running lean or rich. My fuel trims are all normal, my 02 sensors are showing completely normal ranges. If it was running rich I would be...

Alright well to start off I bought the oem replacement for the cat, not a weld on universal. Direct fit and bolt on. It is the specific cat for my engine family number and it has the correct executive order on it. Second off I only run chevron 91 because I have one of those super chips. Even...

This drive cycle was performed several times and nothing came of it :/

Yeah I’ve put almost 2k miles on the Jeep since it failed smog on September 10th, I’m really just trying to figure out if I need a new computer or not. Everything else has been done already.

Please help

So I have a 2000 Jeep Wrangler with a 2.5l 4 cylinder and for the last 2 months I have been struggling with getting the cat monitor to ready. So to start off at the beginning, I went to get my Jeep smogged and it failed due to the cat monitor not being ready and after doing some research I came...