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RPM's jump randomly

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Old Nov 23, 2012 | 04:30 PM
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Schutte67
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From: Pa
Year: 1996
Model: Cherokee
Engine: Straight 6
Default RPM's jump randomly
My 96' classic has been jumping rpms occasionally and I can not figure out what is wrong. Any suggestions? I need some help. Thanks
Schutte
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Old Nov 23, 2012 | 05:07 PM
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xjfirefighter
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From: Rochester
Year: 2001
Model: Cherokee
Engine: 4.0
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When is this occurring ?, at idle , when your driving? Throw us some more details !
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Old Nov 23, 2012 | 05:10 PM
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Schutte67
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Year: 1996
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Engine: Straight 6
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Originally Posted by xjfirefighter
When is this occurring ?, at idle , when your driving? Throw us some more details !
When driving. Speed does not matter. It occurs at any speed but not very often.
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Old Nov 23, 2012 | 05:14 PM
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How big a jump? 50-100 RPM? 1,000? Does it come right back down?
Have you ever cleaned the IAC?
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Old Nov 23, 2012 | 05:38 PM
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Year: 1996
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Originally Posted by Radi
How big a jump? 50-100 RPM? 1,000? Does it come right back down?
Have you ever cleaned the IAC?
From 3 to 2 then back to 3. Or 2 to 1 then back. And no, I just got it a few months back.
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