Question about 2000 Jeep Wrangler

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2001 Jeep Wrangler makes whistling sound except when you accelerate. Everytime you put your foot on the gas, it stops....take your foot off the gas and it whistles

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If you have an aftermarket intake on the jeep the throttle body is making the whistle... there are many aftermarket throttle body spacers out there that can eliminate this...
if you dont than I think that we have the same problem... might be a vacuum leak if the jeep idles funny or it could be an exhaust manifold leak... I'll let you know if I figure out mine. :)

Posted on Dec 01, 2009

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Bad ground, probably coming from the radio, most likely bad radio ground supressor...

Posted on Oct 03, 2009

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I have a 2003 Jeep Wrangler that has a high pitch SQUEALING sound when I release the accelerator. Any ideas what's causing it or how to fix it?.


I know i have the same problem, and i also noticed than when i open the Hood the whistle just stops, so i figure out it must be some air cycling in or out osmewhere, I found out my air intake connected to throttle body was misplaced a weird gap was left open allowing air to whistle. u might wanna check there

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When first driving, I hear a high pitched whistling sound while my foot is on the accelerator. As I pick my foot off the accelerator, the sound will stop completely or after a moment or two and then return...


I have the exact same problem, however reversed. My whistling sound stops when I accelerate and starts when my foot is off the accelerator. Frustrates me and am afraid to have it looked at for fear of the cost of fixing this problem. Have you since discovered what the problem is or was?

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