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I have a 90 4.0 xj that has a really bad flat spot in the throttle. When you give it gas it hesitate,sometimes it will stall, it will also backfire a little through the throttle body. I cleaned the throttle body over the weekend and the iac. Did not make any difference. If the map sensor vacumn...

I just picked up a 90 4.0 xj. It does not idle well, (it idles at about 200rpm) When you give it gas it hesitates real bad and smokes a bit out the tail pipe. Any ideas on my limited amount of info? Thanks for any input Scott

I have a 89 xj I 'm wanting to lift, but I'm on a REAL tight budget. I would like to get around 3 inches of lift. My main reason for posting is about shocks. Will shocks off of a '97 and up ford explorer work on a xj? They mount the same way on the front and I think they mount the same on the...

Over the past day my 89 xj 4.0 has been idling weird. When I left work yesterday and started it up it reved to like almost 3000rpm. I put it in gear and it stayed idled at around 1400 in gear. Normally in gear its around 700. By the time I got to my house it was back to normal, but it kinda...

I'm sure this has been discussed before, but I cant find exactly what I'm looking for. I have an 89 xj that I installed a hitch on to to pull my utility trailer with. Is there anything special I need to do to wire the jeep to my trailer? I've saw taillight converters and other things listed on...

I have a 89 xj with the np231 t/c and aw4 trans. I had posted a couple of weeks ago about a grinding when shifting from n to 4hi. The problem I seem to have now is I can not shift the t/c unless I shift the transmission to neutral, which I know is bad because it makes some very unfriendly...

I have a 89 Cherokee Laredo with the NP231 transfer case. I have only owned it for a couple of weeks, in this time I have not driven it, I was doing various repairs one of which was the replacemnt of the hub assembly on the right side. I drove it for the first time yesterday around my backyard...

I just purcahsed an 89 xj 4.0. I noticed the belt was kinda frayed along one edge. I picked one up and put it on. As soon as I start the engine the belt will "walk" over one grove on the harmonic balancer towards the engine. I know the water pump has been replaced, but it looks like it may not...