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Whine Noise - High Frequency Vibration around Throttle Body Forums > > Whine Noise - High Frequency Vibration around Throttle Body Whine Noise - High Frequency Vibration around Throttle Body
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Frontier Nissan Frontier/HB/Truck Discussion Forum

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Old 04-18-2014, 03:15 PM
willburr willburr is offline
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1999 Frontier
 
Join Date: Jul 2012
Posts: 1
Default Whine Noise - High Frequency Vibration around Throttle Body

Hi Guys,

I have a 1999 Frontier pickup with the inline four engine. Non California. About 120K miles. It is suddenly making a med-high pitch whine sound - seems it is coming from around or under the throttle body. Pitch of whine changes with engine speed. I can feel the vibration when I touch the air cleaner housing. Also there is a small amount of smoke coming from this area. Any ideas? Thanks.

-Will
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body, frequency, high, noise, throttle, vibration, whine

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