gas tank pressure

Asked by Caddy_1998 Jan 22, 2017 at 10:07 PM about the 2014 Ford Focus SE Hatchback

Question type: General

hi i was just wondering, if gasoline creates
fumes naturally under pretty low temp -
how is pressure regulated in gas tank from
fumes building from gasoline ? thanks

1 Answer
103,445

KenF answered 7 years ago

The EVAP system, which captures fumes and routes it to the engine and back to the tank. Handy link for how it all works: http://www.aa1car.com/library/evap_system.htm

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