MJ Comanche Tech. Stock & Modified. MJ (86-92)
All discussion regarding the Jeep Comanche, the pickup truck related to the Cherokee platform.

1999 xj

Old 05-15-2019, 11:41 PM
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Matt Bigg's Avatar
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Model: Cherokee (XJ)
Default 1999 xj

I have a 99 Xj I picked up with a blown motor. Got a motor from a 91, swapped it over. Then had the heel sit for about 5 months, put fresh oil in it, new plugs, wires cap n rotor, new TPS and new IAC. Also have a throttle spacer on it there 4.0l. When I stated her up she ran fine then started to spotter when hot, then when tune up n new sensor came in, though also because the battery was dead for so long. Then had her running did idle on her own had to hold the throttle for a little till it was good. Then in gear stalled out. Just put a new exhaust and going to install new o2 sensors this weekend. Any help with this horrible idle or am o still in relearn since I haven't drove yet.
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