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Old 01-05-2013, 01:50 PM   #2
Jager
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Join Date: Jul 2010
Location: California
Posts: 1,859
Garage
The whining sound is your secondary air injection pump, this is normal. The secondary air injection system is used to reduce air pollution. The pump comes on at start-up and pushes air into the exhaust to help continue burning unburnt fuel. It shuts-down after ~90 seconds.
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