A flashing Low Fuel Indicator means there is a massive air leak in the
emissions system. It can be caused by a loose fuel filler cap, or a bad
purge valve, a bad charcoal cannister, a bad fuel pressure sensor, or a
loose hose somewhere.
Note that adding more fuel after the nozzle has clicked off while fueling,
to round to an even number, or to otherwise top off the gas tank, ruins the
charcoal cannister, which in turn can result in the low fuel indicator lamp
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