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RaeRae2323
New User
Mar 21, 2010, 9:49 AM
Post #1 of 2
(1529 views)
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2001 Merc. Cougar
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Alright, So, I've noticed when my car is warmed up it occasionally makes a weird humming noise, and my RPM's go up to about 2000. It'll do this for about 3-5 seconds, then stop. And it will continue doing that off and on until my car is completely cooled down. Any tips on what it might be?!
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way2old
Veteran
/ Moderator
Mar 21, 2010, 11:12 AM
Post #2 of 2
(1524 views)
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Re: 2001 Merc. Cougar
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A good possibility is the Idle Air Control valve. Ford is well known for these failing. There is also a hose that hooks to it, this is what is causing the humming noise. It is commonly known as a "hooter tube". The hose is really cheap and the IAC can be had for somewhere between 40 and 80 dollars. Good luck.
Being way2old is why I need help from younger minds
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