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Go Back JeepForum.com > Models > Jeep Cherokee & Comanche Forums > XJ Cherokee Technical Forum > Very poor mid to high rpm performance.

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Unread 03-14-2011, 08:23 PM   #1
Hollyhood
Registered User
1996 XJ Cherokee 
 
Join Date: May 2008
Location: ohio
Posts: 9
Very poor mid to high rpm performance.

I have a 96 cherokee inline 6. Ill start with the known issues. #1 transmission needs drained and filter needs replaced. recently on the highway its started shifting back n forth between drive and overdrive so im sure thats part of the problem. It also has a cracked header and possibly an exhaust leak. But now on the highway it will not go over 65mph. I held it to the floor for a few seconds and it wont budge over 3500rpms. It seems to still have decent pickup driving in town. Definetly not what it had before. I guess Im trying to figure out what the main part of the problem could be. Im on a bit of a budget and trying to fix one problem at a time. I just changed the oil and replaced the sparkplugs, wires and distributor cap and rotor. any help or advice would be great. thanks.

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Unread 03-14-2011, 10:11 PM   #2
dbgillilan
Registered User
1992 XJ Cherokee 
 
Join Date: Mar 2011
Location: Arlington, Texas
Posts: 13
Check out these forums to help with your transmission problems.

http://www.jeepforum.com/forum/f11/s...-rpms-1180200/

http://www.jeepforum.com/forum/f12/w...sensor-605430/

I replaced throttle position sensor for less than $40.
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