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Old 02-11-2007, 06:15 PM   #1
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Engine whistle noise

I have a 2000 TJ and sometimes it makes a whistle noise. It will make the noise at idle and while driving. At idle if you rev up the motor a little it goes away, and while driving it will go away also if you give it more gas. It is pretty loud and I am really lost as to what it is. Any ideas on wher to start looking?
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Old 02-11-2007, 07:17 PM   #2
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Do you have a cool air intake or a throttle body spacer?

If there's a will, usually there's a way, but then you get to that bolt that you still can't get to with two extensions, two universal sockets, and a contorsionist midget trying to help you.

1999 XJ Four door, mostly stock for now, but I am in the process of building a custom plate bumper.
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Old 02-11-2007, 07:19 PM   #3

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I would look for a vacume leak. in a hose maybe I beleive the vacume drops when engine revs or high rpms. that would go along with the noise going away when reving or driving with more gas.
It ain't easy being cheesy:

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George Armstrong Custer "lets go over that hill, I think those are friendly indians!"

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Old 02-11-2007, 07:34 PM   #4
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All stock intake, no spacer.
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