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Attention all PCM/ECU gurus or guru-wannabe's…I have a problem and I need your help! The vehicle is a 2000 XJ Limited, 4.7 stroker/AW4. Engine has <2500 miles since install. I have been logging data using a Lemur Diagnsotics BlueDriver OBDII connector and iOS software. Below is an example of...

I need your help in making a decision on how to proceed with repair of my 4.7 stroker motor. Background: 0. 2000 XJ 4.7L/AW4 1. I had a shop install a 4.7 ATK street stroker last fall 2. Engine ran OK, but always had a somewhat rough idle 3. Routinely (daily or at least weekly) throws a P0301...

I just installed a 4.7 ATK stroker in my '00 XJ. I'm thinking I'm better off reverting to a single cat exhaust design ala '99's and earlier. Does anyone know what complications exist in swapping in an earlier '99 PCM in place of the '00's? For example, I'd be eliminating the two precat O2...

Can anyone tell me the best way to ship large parts, like transmissions? I have a quaife-equipped Ford Taurus SHO manual trains I want to ship to a buyer, but I have no idea the best way to go about it. It's clearly not a USPS item. Would I be best to us UPS? Do I need to box it up myself? Is...

Can anyone recommend trustworthy installers near Cincinnati (Southwest Ohio, Southeast Indiana or Northern Kentucky)? I plan on getting a 3.5" lift for my 2000 sport and simply do not have the time to do it myself as this is my DD and I'm slow :). I have spoken with Performance Off Road in...

I want to find a rust free-ish black right rear door to replace my rusted one on my 2000. If you have one available in Ohio or surrounding states, please PM. Thanks ~ Steve

Wanting to replace the right rear door on my 2000 XJ with one that doesn't have any rust through. Needs to be black. Can pick-up. Thanks ~ Steve (Sorry if this is in the wrong thread, please feel free to point me to the right one, I didn't see one in my scan through.)

Just wanted to offer up my experience with the aFe intake/filter install on my 2000. The aFe kit replaces the stock airbox with a large heat shield to somewhat isolate the new gauze filter from engine heat, and it includes a large, curved intake tube that swoops back to the brake booster and...

Hey all, I've searched for some specific answer to this question, without much luck. So, I'll try the online experts for some help... I have a 2000 XJ, 4.0, NP241, AW4, with the stock exhaust system still on it. I just purchased a dynomax cat-back system (couldn't resist the p$75 price)...

I've searched high and low for an answer to this problem within the forums, to no avail...here's the deal. I have a '00 XJ with an inoperative rear window defogger. I've followed the troubleshooting steps in the factory service manual. The switch is good, the relay is good, the defogger grid...

I finally have my first XJ, a 2000 Sport, 4.0/AW4. This unit has the non-California emissions package, there are two factory 3-into-1 headpipes/headers, but NO pre-cats. I have only 2 O2 sensors, one before and one after the single downstream cat. Can I use any 97+ header, whether 6-into-1 or...