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  1. J

    Bad TPS? CPS? ECU? Fuel Pump? A crappy engine? Maybe you have the answer.

    Thanks! I have a Bluetooth Blue Driver OBDII scanner that supports some live data. What should I be looking for? I have checked and cleaned all ground connections. The battery wire terminals could get replaced. They don't look corroded, but do look very very old.
  2. J

    Bad TPS? CPS? ECU? Fuel Pump? A crappy engine? Maybe you have the answer.

    Hey guys. My 99 XJ Sport has been acting funny as of late. With the occasional putt-putt of the exhaust along with the even more occasional cylinder 1 misfire code (sometimes on, most of the time off), my RPMs have just started to act funny. The putt-putt of the engine usually happens when...
  3. J

    Having trouble finding caps

    Anyone out there know where I can find black lock cylinder caps for my 99 XJ? I see a bunch for other years or models, but I don't know if they're all the same. I recently re-keyed my locks to match the ignition and destroyed my caps (or bezels?). I've called 15 different locksmiths in town and...
  4. J

    Need Help with Diffs! - Re-gearing, Ratios & Lockers

    I hate 4 wheel parts. It's like walking in to the DMV, but they have great sales. I opt for the small vendors. How bad is the ride quality with the shackle extensions? I'm using this car mostly on the street, and it's already bumpy as shit. I don't know if it's the entry level procomp lift kit...
  5. J

    Need Help with Diffs! - Re-gearing, Ratios & Lockers

    Dude... about what you're saying, I'm already in it! I bought the XJ, a year ago for $1200 just to carry my camping gear and a cooler. Now I'm talking about hacking and tapping shit. Ask me a year ago and I would have thought you were crazy. It's really an addiction. It's all gotta stop...
  6. J

    Need Help with Diffs! - Re-gearing, Ratios & Lockers

    That's great news! What kind of HnT and custom shaft did you get? I'll just rip off your setup if you don't mind.
  7. J

    Need Help with Diffs! - Re-gearing, Ratios & Lockers

    Well.... I don't really have a hard budget yet. But for me, its about a balance between what I need (daily driving, light wheeling, and overlanding) and trying to keep the cost lower. For example, a heavier relocation bracket and SYE would be very nice to have. But I could get cheaper stuff...
  8. J

    Need Help with Diffs! - Re-gearing, Ratios & Lockers

    Thanks for the suggestions! They are all welcome. I have a few questions and responses.... 1. SYE kit- Your suggestion is for 231, I have a 242. I think I've found a few that have the full SYE for the 242, but they are very pricey. 2. Gears - I'm definitely going to purchase one from a...
  9. J

    Need Help with Diffs! - Re-gearing, Ratios & Lockers

    Try this link if that other one didn't work.... https://image.ibb.co/j4dYaT/Capture.png
  10. J

    Need Help with Diffs! - Re-gearing, Ratios & Lockers

    Just for shits and giggles. I'd appreciate it if you take a look at my build plan. I'm upgrading from 31" to 33" tires (same wheels)and adding a spare. I'm also raising my 3" lift a little higher with leveling kits to accommodate for the larger wheels and the weight from my camping gear and...
  11. J

    Need Help with Diffs! - Re-gearing, Ratios & Lockers

    Wow, thanks for the info. Everyone here never disappoints. Before I started modifying my Cherokee, I didn't even know how to change oil. I always refer to this site, and Bleepin' Jeep, hahah! I'm almost 100% convinced that the 4.56 ratio is the one for me. My only concern is that I do a lot...
  12. J

    Need Help with Diffs! - Re-gearing, Ratios & Lockers

    Hey guys. I'm thinking of up-sizing my tires to 33" mud terrains for some extra traction. I'm not a hardcore wheeler, but I do like to have some fun in the mud sometimes. My Cherokee is a semi-daily driver, and I use them on all camping trips on asphalt, dirt roads and off-road trails. I...
  13. J

    Double CV driveshaft - instead of a SYE

    This also interests me. How's it working out for you six years later?
  14. J

    99 XJ Engine Vibration only in Neutral/Park on Cold Start!!!

    *update* Had the car checked out yesterday by a really good transmission specialist. He says that all diagnostic test resulted all look normal. The flex plate and bolts are good. There were two bolts in the valve body that were not torqued to spec, but nothing that would cause alarm. It...
  15. J

    99 XJ Engine Vibration only in Neutral/Park on Cold Start!!!

    But do you these loose bolts would effect the jumpy RPMs and exhaust? I'm going home and check on all the things you suggested.
  16. J

    99 XJ Engine Vibration only in Neutral/Park on Cold Start!!!

    Sweet. Thanks for your suggestion. I will be checking it out tonight. I ran across this thread that has a fix for the problem I think you're suspect. https://www.cherokeeforum.com/f51/how-fix-flexplate-knocking-125547/ The Youtube video of his car sounds exactly like mine. I hope this is...
  17. J

    99 XJ Engine Vibration only in Neutral/Park on Cold Start!!!

    Thanks for your reply. Have you checked the motor mounts/ trans mount? Visually the motor mount looks ok. No signs of cracks or wear. They're rubber and I hear that oil can compromise the integrity. The engine is covered in some kind of oil or soot. I have not checked the trans mount yet...
  18. J

    99 XJ Engine Vibration only in Neutral/Park on Cold Start!!!

    I forgot to mention... 1999 XJ 4wd 6 cyl Automatic transmission
  19. J

    99 XJ Engine Vibration only in Neutral/Park on Cold Start!!!

    Hey guys! This is my first post and I need some help. I bought my car a month ago knowing it needed work. But this is one thing I can't figure out, any suggestions are welcome! I'm getting some weird vibrations with my engine that's shaking my whole car, not a violent shake but very...
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