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  #1  
Old 10-30-2009, 02:34 PM
96Ranger40 96Ranger40 is offline
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Default Loud Humming from Intake Hose

has anyone had this. I was idling in the driveway and i hear a loud humming under the hood. I open the hood and the noise is coming from the intake box/hose. Almost like a vacumm cleaner that is clogged up? Very loud though, not normal. everything is in place and the filter is new. any ideas?
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  #2  
Old 10-30-2009, 02:37 PM
STL STL is offline
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Stock or aftermarket intake

Did u install a K&N filter
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Old 10-30-2009, 06:15 PM
96Ranger40 96Ranger40 is offline
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everything bone stock. Paper filter. I even unbuckled the air box and it still did the same thing post filter. Its almost like a humming, whining noise and for shure coming from there, i can even feel it when touching the intake snorkel.
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Old 10-30-2009, 06:49 PM
whippersnapper02 whippersnapper02 is offline
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Edit: IAC valve. Change it.
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Originally Posted by RazorsEDGE View Post
A 2wd will go most anywhere a 4x4 will go as long as the ground is flat and dry. And as far as a 2wd rock crawling, well, that ain't rock crawling.

Last edited by whippersnapper02; 10-30-2009 at 06:54 PM.
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Old 10-30-2009, 07:10 PM
96Ranger40 96Ranger40 is offline
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OK I can do that. What makes it sound like that though? Truck runs great, no idle problems whatsoever.
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Old 10-30-2009, 07:12 PM
whippersnapper02 whippersnapper02 is offline
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IAC just wears down over time.
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Quote:
Originally Posted by RazorsEDGE View Post
A 2wd will go most anywhere a 4x4 will go as long as the ground is flat and dry. And as far as a 2wd rock crawling, well, that ain't rock crawling.
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Old 01-11-2011, 11:46 AM
parsons00 parsons00 is offline
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Default Re: Loud Humming from Intake Hose

Im having the same problem i have a 1997 ford ranger 4.0 4x4 and the intake is howling at a low idle or at low speeds and i have an aftermarket cold air on it but when i put my hand over the end it changes the pitch so it is deff where is coming for i was reading change the IAC problem is i already have it is brand new or could it be faulty any way to check? or any other possible reasons?
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Old 01-11-2011, 11:49 AM
zaccornell zaccornell is offline
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Default Re: Loud Humming from Intake Hose

Its the IAC as mentioned before. Ive had it "whine" on 2 diff trucks
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Air intake Mod, Cherry Bomb Vortex Dual Catback dumped after axle, Pioneer Stereo and speakers, Tbar Crank, 3" BL, 33x12.5x15 Mickey Thompson MTZ's on 15x10 DC-2's , Belltech Shackles, NGK Plat Iridum Plugs, K&N Air Filter, Seafoamed, Engine Cleaned, clean MAF, new Fuel Filter and all new fluids!
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Old 01-14-2011, 09:25 PM
parsons00 parsons00 is offline
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Default Re: Loud Humming from Intake Hose

thanks replaced the new one with a new one from differnt store works good no humming
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Old 01-14-2011, 09:29 PM
FireRanger FireRanger is offline
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Default Re: Loud Humming from Intake Hose

It's the famous 4.0L moose mating call. Very common.
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  #11  
Old 01-14-2011, 09:42 PM
terryduanemiller terryduanemiller is offline
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Default Re: Loud Humming from Intake Hose

Quote:
Originally Posted by FireRanger View Post
It's the famous 4.0L moose mating call. Very common.
lol... thats funny
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