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This might be a very niche question, but wanted to shoot my shot. In JScan there's 2 parameters under engine module configuration that's titled; ECT Temperature Rationality Disabled ECT Temperature Rationality Status If I change the disabled status from false to true, will that tell the ECU to...

2008 JKU w/ 3.8 Had a broken ECT sensor. It then wicked coolant into the connector. So I changed the connector and replaced with an OEM ect sensor. Now when I let off the throttle this is what my ECT reports. I know I need to burp it just to make sure I don't have air, but have you guys seen...

I'm usually pretty adept at doing these, but I can't get this one figured out. What am I doing wrong? This is the ECT sensor plug by the way. My sensor itself was wicking coolant into the bowl where the pins are. Now it has wicked into the connector and I want to de-pin it and clean it and see...

2008 JKU w/ 3.8L 170k miles As title says, there's coolant where the two pin plug goes. Not leaking out of threads, no other moisture in the area. I developed a P2181 and P0116 but coolant is fine and temp was getting up to 200'ish. I was also backprobing the ECT to verify voltage. But then I...

2008 JK. Soaked front carpet. I'm redoing the T-tops foam, but watching the water travel the other day I think I've actually got a door seal issue. With my beautiful paint skills I've tried to show how I think water is ingressing. Should the lip on the corner actually be tighter to the pillar?

2008 Rubicon JKU This may be hard to explain, but you can kind of hear it in the YouTube video. At low speeds (like idle to 5 mph low) my tires feel....stiff might be the word? It feels like one of them is a plastic Little Tykes. And when I'm going slow it almost feels crunchy and I can hear...

So I've definitely been mis-aligned for a while with my JKU, just always had bigger fish to fry. Anyway, so I finally did ball joints. And because I'm high mileage and the fact that everything was already apart I went ahead and bought a new drag link and tie rod. I would hate to have to pay...

We had the hood painted and I forgot to measure where the hood decals go. Can anyone point me to dimensions or a template? This is for a 2008 JKU Rubicon if it matters.

2008 JKU with a 3.8L and 42RLE. I've read this from a couple different people but either people are terrible at updating their posts or they just never actually fix this. At around 700-900 RPM's I just get a pretty steady vibration throughout the vehicle, just like a low/deep vibe. It's more...

Did my radiator tonight. Not the worst job in the world, but I certainly have thoughts for those engineers at FCA. Anyway. 2008 Rubicon with a 3.8. This was actually wedged behind the overflow reservoir next to the electric fan housing. Is this the bottom half of an exhaust manifold heat shield?

Then it's your lucky day. Here's one data point. Truth be told, it's actually pretty solid quite a ways up there. But obviously with that surface rust forming and the rust inching that way up it was only a matter of time before it got there and ate it all up. The plan is to cut it out, get down...

Last time I checked I don't think cracks were a design future of exhaust manifolds. 🤣 I have the cats removed for replacement and I thought I had an exhaust leak, so that's how I got here. Two questions then; 1) would any of you all try to weld repair this or do I just need to buy a new one...

Hey all, I'm looking at a 2008 JKU Rubi Sport (edit: thanks to u/speartip for model clarification) tomorrow and there's speculation from the seller that the cats are bad. I'd like to monitor pre-cat O2 sensors to see if the engine itself is fine to get a feel for fuel burn independent of the...