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Already posted a few threads on this 2nd xj in our house. https://youtu.be/kzyhWWrkooI http://www.naxja.org/forum/showthread.php?t=1145449 Best to keep the posts for the #2 xj in this one thread from now on. It rained and micro hailed on us yesterday, but this old girl is now degreased from...

I looked all over and didn't find anything on rebuilding the idle speed control motor for 1986 and earlier XJ 2.5 engines. Just a tiny worn bushing. Hopefully I'll get the machining done right since everything is so small. $40 for a new one on Ebay. Fingers crossed. https://youtu.be/Sk0sOHPIqcI

Used my old smog machine of 30 years, to check for head gasket leaks into the cooling system. This machine is super sensitive to exhaust emissions. Although I had to do a lot of repair work to the machine first. Now it runs great. The MT2500 Scanner made it obvious that the O2 sensor was bad...

1988 XJ 4.0, auto. The steering column has been invaded by the previous owner's young son. So it's messed up badly. Can't start it with a key, yet. I cleaned up and soldered the main wiring connectors to the ignition electrical switch using vinegar/salt. The brown wire had over heated the...

Tell me if this sounds like BS. The piston slap that we get is significant when it happens. The videos I've seen are showing what has to create a 1/16" skirt/cyl wall gap. That's crazy. This xj we just got has at least one piston slapping. I was thinking of trying to extend their life by...

While I hope for responses to my ignition post, I have a fairly common sound coming from the 4.0 in my xj. Here is a video I shot yesterday analyzing the sound of the problem. https://youtu.be/ozllHafEK-c

Hi all, My first post here!! This new to me 1988 stock 4.0 xj, has an interesting history. Owner #1 had the unfortunate experience of having the vehicle stolen. The door key and ignition lock are new and match. Owner #2 had almost zero technical skills. Owner #3, me, has to find out why...