Thread: Question: Whining/Hum Sound when turn key to on position
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Old Dec 31, 2012 | 05:03 PM
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Larry Hitze
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From: Lafayette, Indiana
Default Re: Question: Whining/Hum Sound when turn key to on position
There is a pump for the emmissions (secondary air injection) that comes on for a few minutes that make a whine, Maybe that is it.
 
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