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):
Indicates the amount of pressure in
the engine. Driving with your
pointer continuously at the high end
of the scale may damage the engine.
2008 Econoline (eco)
Supplement
USA (fus)
Instrument Cluster
10
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