Check Fuel Cap Light; Low Fuel Light - Ford Mustang 2001 Owner's Manual

Under engine misfire conditions, excessive
exhaust temperatures could damage the
catalytic converter, the fuel system, interior floor
coverings or other vehicle components, possibly
causing a fire.
Check fuel cap (if equipped)
Momentarily
illuminates when the
ignition is turned to
the ON position to
ensure your bulb is working. When this light turns
on, check the fuel filler cap. Continuing to operate
the vehicle with the check fuel cap light on, can
activate the Service Engine Soon/Check Engine
warning light. When the fuel filler cap is properly
re-installed, the light(s) will turn off after a period of
normal driving. This period will vary depending on
driving conditions.
It may take a long period of time for the
system to detect an improperly installed fuel
filler cap.
For more information, refer to Fuel filler cap in the
Maintenance and care chapter.
Low fuel
Illuminates as an early
reminder of a low fuel
condition indicated on
the fuel gauge (refer to
Fuel Gauge in this chapter for more information).
When refueling, after the light comes on, the amount
of fuel that is added will be less than the advertised
capacity since there is fuel still in the tank. The
ignition must be in the ON position for this lamp to
illuminate. The lamp will also illuminate for several
seconds after the ignition is turned to the ON
position regardless of the fuel level to ensure your
bulb is working.
Instrumentation
CHECK
FUEL
CAP
LOW
FUEL
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