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Rough Idle

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Old 11-14-2012, 01:57 PM
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Year: 2000
Model: Cherokee
Engine: 4L
Default Rough Idle

I have a 2000 XJ and as the colder months roll around I am starting to have idling issues (again). It will idle very low (200 to 400) and bounce around there, occasionally dying if I let it sit too long. Earlier in the year I was having the same issue, and I thought I resolved it when I replaced the tps and O2 sensors. Not sure why its happening again. Any ideas?
Old 11-14-2012, 02:39 PM
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Year: 1996
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Engine: 4.0 HO Straight Six
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Clean the IAC and TB for starters. And clean all grounds and battery clamps until shiny.
Old 11-14-2012, 03:13 PM
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X2 About the battery terminals & cables.
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