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does it need reflashed

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Old 10-07-2010, 08:13 PM
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Year: 1998
Model: Grand Cherokee
Engine: 4.0 6cyl
Question does it need reflashed

hey guys quick question my 98 gc has a 96 4.0 motor would i have to reflash the computer to adjust anything? because i think the comp needs reflashed to fix a real bad miss i got
Old 10-07-2010, 09:43 PM
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Try this with the jeep off turn headlights on then pull neg battery cable leave for 5 minutes then turn headlights off reconnect battery and start jeep and go for a drive so computer can relearn.
Old 10-07-2010, 10:35 PM
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Year: 1998
Model: Grand Cherokee
Engine: 4.0 6cyl
Question

will it turn the check engine light on when it relearns that it`s running like ****?
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