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89 idles great. Drivrs rough as hell! Ideas?

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Old Mar 17, 2011 | 06:33 PM
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bwb marc's Avatar
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From: seattle
Year: 88 /88 / 89
Model: Cherokee
Engine: 4.0
Default 89 idles great. Drivrs rough as hell! Ideas?

Hey. As I said I have a great runs great in park or at a light. Then rough as hell from 1000-2500 rpm. After that it seems to smooth out Although it could just be spinning fast enough that I can't tell anymore. Anyone know why this would be?
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Old Mar 17, 2011 | 06:37 PM
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freegdr's Avatar
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Joined: Mar 2010
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From: Broward County Fl.
Year: 1989 xj sport 2dr
Model: Cherokee
Engine: 12 hole bosch Injectors
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have you used the search option yet ihave heard of this b4
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