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So... I finally got my new AutoXray ez-scan 4000 and hooked 'er up to the 99 XJ 4.0L to see whats up, and it shows the TPS at 14% when I am completely off of the gas and only goes to 87% at WOT. What would be considered out-of-spec for the TPS? I am having an intermittent problem where idle...

I want to put at least one kill switch on my 99. The starter solenoid is a good candidate, but would by-passing the clutch pedal switch work too? Has anyone done this? My thinking is that it will not start without a signal from the clutch pedal switch even when hot-wired. Is this correct? I...

Thought y'all might find this freeware useful... Download from here http://locost7.info/gearcalc.php and unzip (the file, that is) :lol: You can enter any size tire, axle gear ratio, and up to 6 tranny gear ratios. Enjoy!

My 93 XJ had the good ol' rattling cat back in the day, so I replaced it when I did the muffler. I now have a 99 XJ w/95K miles with a rusted out muffler which I will be replacing soon. My cat is not rattling even if I whack it with a mallet...so I think it is prolly still good. It does have...

I have found O2 sensors from SNG, Bosch, and Denso. Does anyone have experience with the quality/reliability/fit of these? Any idea what brand Jeep installs at the factory? These are for a 99 XJ 4.0L. I found good prices on autopartswarehouse.com. Any other good sources? Thanks.

So... I'm new to the 5sp XJ world, and am not sure if this noise is normal. The transmission shifts fine, clutch action seems ok...no chatter, goes thru the gears smoothly. I have noticed a ticking sound when there is no load on the driveline (i.e. when clutch pedal depressed, or when tranny...

Bought a 99 XJ the other day, and now notice that there is no plastic cover on the computer like there was on my 93. Should there be one? If so, are there going to be issues running without? Thanks.

Guess I should have posted this sooner... but things have been hectic this past week. My Red/Silver 1993 XJ Country 4x4 was stolen 7/26/2006 between 9:00am and 4:40pm CDT from the corner of Luna and Rafe (just south of Crosby) in Carrollton, TX 75006. More specs below - the safari basket was...

I'm looking at buying a 99 XJ, but it has a missing flare. I searched for replacements, but only found ones for the pre-97 models. Does anyone know where I can get them? Or, do the pre-97 ones fit ok? I'm just going to replace all four with black. Currently has body color. Thanks.

Does anyone have experience with the compressor, accumulator/drier, and expansion valve sold by these guys? I'm fairly certain I'll be tearing into the A/C system soon (vehicle details below). Just want to make sure I use quality parts. Thanks! __________________ 1993 Cherokee Country 4.0L HO...

Hey all... Got my new cat installed, but can feel exhaust leaking out where it connects to the factory head pipe (down pipe?). I cranked the clamp down so far that even if it would move, I'm afraid to do any more. Should I try adding another clamp closer to the head pipe (there's an inch or...

1993 Cherokee Country w/144,000 miles, 4.0L HO, AW4, NP231, D30HP, C8.25 I just installed a new Magnaflow/Car-Sound direct-fit cat (#23221). It appears to have stainless inlet/outlet pipes. After getting it up to operating temp, the pipes have become discolored. Is this normal? I assume it...

Just got them from SummitRacing.com...and looking at how to put them on. The strap around the stock leaf pack (about half way back from the axle) sticks up quite a bit (about 1/4 inch) right where the helper spring is supposed to go (on top of the leaf pack). Doesn't seem like it would be good...