Quote:
Originally Posted by skyfarm1000
Did you ever figure out if this noise was normal or not?
I just purchased a 2016 4runner a week ago and noticed a rapid bubbling/boiling sound coming from the gas tank.
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All modern cars recirculate the gas, i.e. pump the gas to the engine compartment, then any extra not needed goes back to the gas tank. Thus the gas returning to the gas tank can make a gurgling, bubbling noise. Completely normal.
(Gas is recirculated to prevent vapor lock).