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Unread 12-05-2013, 11:56 PM   #1
hotrod500
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1990 XJ Cherokee 
 
Join Date: Feb 2011
Location: Hyattsville, MD
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1990 XJ performance chip

Does anyone know if any performance chips (particularly JET) will work with the 1990 cherokee computers even though they always list for 1991 and newer??

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Unread 12-06-2013, 04:10 AM   #2
cruiser54
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1990 MJ Comanche 
 
Join Date: Oct 2009
Location: Prescott, Arizona
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Will not. Read my response on the other forum. Too much to type again this early.
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If you own a Renix Jeep, you'll want to check this out. >

An index to over 25 write-ups can be found in Post #1.

Cruiser's Mostly Renix Tips
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Unread 12-06-2013, 07:37 AM   #3
mschi772
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1997 XJ Cherokee 
 
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They always list for 91 and newer because 91-95 have OBD1 computers. You have a Renix. Very different.
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