North American Grand Cherokee Association - View Single Post - Mopar Peformance ECU for 5.9 '98
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Old 04-30-2019, 09:51 PM   #3
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Join Date: Apr 2019
Location: EU
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#3 not available anymore.

Unfortunately, according to Mopar Performance, they discontinued the one for 5.9 Jeep years ago. The only option would be to get 5.9 computer custom tuned.

Any tips for 5.9's ECU ?
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