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Why does gas back up when filling tank and pump keeps cutting off.

(2004 Lincoln Town Car)
in Graceville, FL on October 14, 2013
can't fill up gas tank, gas backs up and pump cuts off
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Popular Answer
on May 18, 2015
It could be the vent line is broken/bent or not connected or clogged. If you remove the fuel tank and replace the filler neck (it should come with a vent line) you will be good to go. I would also check the tank for any issues such as rust or dirt that can clog things.
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