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XJ Ask the Question Thread
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,578
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Welcome to the forum!
Throttle body linkage is going to be slightly more difficult to track down since your XJ is the older Renix style (1987-1990 model years). Pretty much your only bet is going to be eBay, some seller here, Craigslist, or your local junkyards.
"XJ" is the Jeep two-letter designation for a family of vehicles produced 1983-2001. The owner's manual doesn't mention it, not sure if the Haynes does, either, but all factory service literature and many parts in your Jeep are stamped with this moniker. You'll see these thrown around a lot on here, so here's a bit of history for ya: http://en.m.wikipedia.org/wiki/List_of_Jeep_vehicles
Also since you're new here and own a Renix, make yourself familiar with this page: https://www.cherokeeforum.com/f51/cruiser54s-mostly-renix-tips-153657/
"Renix" is a shortened version of "Renault/Bendix" and actually refers to the engine management electronics, but there are other differences between the GM, Renix, and Chrysler years aside from the actual fuel system.
Throttle body linkage is going to be slightly more difficult to track down since your XJ is the older Renix style (1987-1990 model years). Pretty much your only bet is going to be eBay, some seller here, Craigslist, or your local junkyards.
"XJ" is the Jeep two-letter designation for a family of vehicles produced 1983-2001. The owner's manual doesn't mention it, not sure if the Haynes does, either, but all factory service literature and many parts in your Jeep are stamped with this moniker. You'll see these thrown around a lot on here, so here's a bit of history for ya: http://en.m.wikipedia.org/wiki/List_of_Jeep_vehicles
Also since you're new here and own a Renix, make yourself familiar with this page: https://www.cherokeeforum.com/f51/cruiser54s-mostly-renix-tips-153657/
"Renix" is a shortened version of "Renault/Bendix" and actually refers to the engine management electronics, but there are other differences between the GM, Renix, and Chrysler years aside from the actual fuel system.
CF Veteran
Joined: Aug 2012
Posts: 1,539
Likes: 0
From: ks
Year: 1998
Model: Cherokee
Engine: 4.0
Not a whole lot. Check for rust, hidden body/unibody damage, check fluids, drive it... Also aim for one with a chrysler 8.25 rear axle instead of a dana 35. The 8.25 axles housings have a flat bottom, where the d35 is rounded.
CF Veteran
Joined: Oct 2011
Posts: 1,812
Likes: 0
From: South Mills, NC
Year: 1998
Model: Cherokee
Engine: Rebuilt 4.0L I6
My jeep has a misfire on cylinder 3, 4, and 6. Heep is really getting on my nerves it was running fine last week. Also after changing the oil it has a clicking/tapping noise.
Last edited by ccooper1234; Oct 2, 2013 at 04:54 PM.
::CF Moderator::
Joined: Aug 2011
Posts: 43,971
Likes: 1,578
From: Prescott, Az
Year: 1990
Model: Cherokee (XJ)
Engine: 4.0
Newbie
Joined: Oct 2013
Posts: 14
Likes: 0
Model: Cherokee
Thanks for the replies regarding my issue. And thanks also for the explanation and links regarding the XJ moniker.
So, is "throttle body linkage" the official (more or less) name of that part? I might be able to find it on CL or ebay etc, but I don't know what to call it exactly.
So, is "throttle body linkage" the official (more or less) name of that part? I might be able to find it on CL or ebay etc, but I don't know what to call it exactly.
Newbie
Joined: Jul 2013
Posts: 6
Likes: 0
Model: Cherokee
98 jeep cherokee sport 6 cylinder 4.0 liter. straight to the point, i turn on my car and only on start up, i after i get to a certain low mile per hour on my car to get up to speed it goes one speed and then starts to jerk forward and then you will hear a knock down by the gas pedal but from the inside of the hood of the car. then after pushing down the gas and hearing a couple knocks it goes to the correct speed and drives like normal or you just drive it at the low mph till it lets me drive at the correct mph. sorry but its annoying as ****. i don't know whats causing it, I've replaced my catalytic converter, distributor cap, and i don't know what else could be the problem. please give me help!!!!!!
CF Veteran
Joined: Oct 2011
Posts: 1,812
Likes: 0
From: South Mills, NC
Year: 1998
Model: Cherokee
Engine: Rebuilt 4.0L I6
It only misfires at low idle (around 700). Its fine at 1000 rpm but once it drops it idles pretty rough. Plus I'm getting codes for misfire in cylinder 3, 4, and 6
Last edited by ccooper1234; Oct 2, 2013 at 07:14 PM.
CF Veteran
Joined: Jan 2012
Posts: 8,272
Likes: 1
From: Baltimore, MD
Year: 1999
Model: Cherokee
Engine: 4.0 I6 HO
Pretty sure you just did spark plugs and wires right? What about cap and rotor? Double check all that is 100% tight. Did you use dielectric grease?
CF Veteran
Joined: Oct 2011
Posts: 1,812
Likes: 0
From: South Mills, NC
Year: 1998
Model: Cherokee
Engine: Rebuilt 4.0L I6
CF Veteran
Joined: Jan 2012
Posts: 8,272
Likes: 1
From: Baltimore, MD
Year: 1999
Model: Cherokee
Engine: 4.0 I6 HO
Junior Member
Joined: Jun 2010
Posts: 68
Likes: 0
From: Kentucky
Year: 2000
Model: Cherokee
Engine: 4.0L