Yea, it might be the fuel pump. My truck primes when I open the door too. I can't recall hearing it on my Camaro, but maybe the 2016 pump is more quiet?
-Geoff
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'12 2SS RS Convertible - Traded in.
'16 2SS Convertible - White on white, mag-ride, NPP, nav. Sold!
'23 2SS Convertible -Same as above except orange.
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