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Old 03-03-2012, 12:10 PM   #1
John in Vegas's Avatar
Join Date: Nov 2011
Location: Las Vegas
Posts: 277
98ZJ to 99tj 4.0 swap

A there any problems putting a 98 ZJ 4.0 to replace a 99 TJ 4.0? I mean, can I use all the sensors and plugs, or did they change things to where I will need to swap the ECM, wiring, etc?

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