Ford F-650 2015 Owner's Manual page 117

116
Incorrect DEF Quality Warning Indications and Vehicle
Consequences for Emergency Vehicles
Condition
Correct DEF
quality.
Initial warning
when detecting
incorrect DEF
quality.
Initial warning
10 hours after
detecting incorrect
DEF quality.
Final vehicle
consequence
20 hours after
detecting incorrect
DEF quality and
engine intentionally
shut down (key
off), in extended
idle for one hour or
fuel tank refilled.
2015 F-650/750 (f67)
Owners Guide gf, 2nd Printing, April 2014
USA (fus)
Fuel and Refueling
Indicator
Consequence
Lamps
None. None.
Amber engine
None.
solid
Amber engine
None.
solid
Amber engine
None.
solid
Remedy
None.
Replace DEF
with
Ford-approved
DEF.