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Old 05-17-2020, 04:42 PM   #15
mosaic6
 
Drives: ZL1 1LE M6, Pontiac TransAm 400-T10
Join Date: Aug 2019
Location: ubiquitous
Posts: 50
fuel pump prime wine

Quote:
Originally Posted by JasonGofast View Post
1. When unlocking the car, there is a high pitched whining noise that comes from it, is that normal? It goes away after awhile but happens whenever it is unlocked.
This is probably the fuel pump, priming the line in preparation for starting. Stand near the fuel filler door or under the rear by the exhaust tips when unlocking and see if you can hear the sound even louder? Some people probably notice it more than others.
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