Engine oil pressure:
Illuminates when the oil pressure
falls below the normal range. Refer
to Engine oil in the Maintenance
and Specifications chapter for
more information.
Engine air filter (F-Super Duty only):
The engine air filter warning
message comes on in the message
center when the air filter restriction gauge reaches the CHANGE FILTER
MARK due to blockage in the air intake system.
The air filter condition should be verified by inspecting the underhood
restriction gauge; the message is only a secondary indicator. Always use
the underhood restriction gauge to determine when the air filter element
needs to be changed.
The vehicle may be driven with the engine air filter message on or when
the underhood air filter restriction gauge has moved to the CHANGE
FILTER mark for up to 200 miles (320 km) without damaging the engine.
However, the air filter element must be replaced at the earliest
opportunity. Refer to Air filter restriction gauge and air filter
replacement in the Maintenance and Specifications chapter for more
information.
GAUGES
Engine boost gauge (F-Super Duty only):
Indicates the amount of pressure in
the engine. Driving with your
pointer continuously at the high end
of the scale may damage the engine.
2009 Econoline (eco)
Supplement, 1st Printing
USA (fus)
Instrument Cluster
10
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