FORD 2007 Expedition v.1 - Manual (Page 191)

When you believe your system is not operating properly
The main function of the Tire Pressure Monitoring System is to warn you
when your tires need air. It can also warn you in the event the system is no
longer capable of functioning as intended. Please refer to the following
chart for information concerning your Tire Pressure Monitoring System:
Low Tire Pressure
Warning Light Possible cause Customer Action Required
Solid Warning Light Tire(s)
under-inflated 1. Check your tire pressure to
ensure tires are properly
inflated; refer to Inflating
your tires in this chapter.
2. After inflating your tires to
the manufacturer’s
recommended inflation
pressure as shown on the Tire
Label (located on the edge of
driver’s door or the B-Pillar),
the vehicle must be driven for
at least two minutes over 20
mph (32 km/h) before the light
will turn OFF.
Spare tire in use Your temporary spare tire is in
use. Repair the damaged road
wheel/tire and reinstall it on
the vehicle to restore system
functionality. For a description
on how the system functions,
refer to When your temporary
spare tire is installed in this
section.
TPMS
malfunction If your tires are properly
inflated and your spare tire is
not in use and the light
remains ON, have the system
inspected by your authorized
dealer.
2007 Expedition (exd)
Owners Guide (post-2002-fmt)
USA (fus)
Tires, Wheels and Loading
191