GMC 1996 Sierra Owner's Manual page 130

Fuel Gage
8 1
The fuel gage, when the
ignition is on, tells you
about how much fuel you
have left in your tank.
E
The gage will first indicate EMPTY (E) before you
are out of fuel, and you should get more fuel as soon
as possible.
Here are four situations
you
may experience with
your
fuel gage. None of these indicate a problem with the
fuel gage.
At the gas station, the fuel pump shuts off before the
gage reads FULL
(F).
It takes a little more or less fuel to fill up than the
fuel gage indicated.
For
example, the gage
may
have
indicated the tank was half full, but it actually took a
little more or less than half the tank's capacity to fill
the tank.
The gage moves a little when you turn a corner or
speed up.
The gage doesn't go back to EMPTY
(E)
when you
turn off the ignition.
If you have a diesel engine, see "Fuel Gage" in the
Diesel Engine Supplement.
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