FORD 2004 F-150 v.1 - Manual (Page 77)

STOP ENGINE SAFELY. Displayed when the engine is overheating.
Stop the vehicle as soon as safely possible, turn off the engine. If the
warning stays on or continues to come on, contact your dealer as soon as
possible.
LOW FUEL LEVEL. Displayed as an early reminder of a low fuel
condition.
CHECK CHARGING SYSTEM. Displayed when the electrical system is
not maintaining proper voltage. If you are operating electrical accessories
when the engine is idling at a low speed, turn off as many of the
electrical loads as soon as possible. If the warning stays on or comes on
when the engine is operating at normal speeds, have the electrical
system checked as soon as possible.
LOW BRAKE FLUID LEVEL. Indicates the brake fluid level is low and
the brake system should be inspected immediately. Refer to Checking and
adding brake fluid in the Maintenance and specifications chapter.
LOW OIL PRESSURE. Displayed when the engine oil pressure is low. If
this warning message is displayed, check the level of the engine oil.
Refer to Engine oil in the Maintenance and specifications chapter for
information about adding engine oil. If the oil level is OK and this
warning persists, shut down the engine immediately and contact your
dealership for service.
CHECK FUEL CAP. Displayed when the fuel filler cap is not properly
installed. Check the fuel filler cap for proper installation. Refer to Fuel
filler cap under the Fuel Information section in the Maintenance and
specifications chapter.
ENGINE FAILSAFE MODE. Displayed when the engine has defaulted
to a ’limp-home’ operation. If the warning stays on or continues to come
on, contact your dealer as soon as possible.
DATA ERR. These messages indicate improper operation of the vehicle
network communication between electronic modules.
• Fuel computer
• Charging system
• Autolamp delay
• Auto locks
• Brake fluid
• Compass
• Outside temperature
• Engine sensor
Contact your dealer as soon as possible if these messages occur on a
regular basis.
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