2012 Ford F550 Cab Diesel Supplement 3rd Printing - Page 27

2012 Ford F550 Cab Manual

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Maintenance and Specifications DEF warning messages and vehicle operations WARNING: Diesel Exhaust Fluid (DEF) must be refilled when low or replaced when contaminated or the vehicle speed will be speed limited to 50 mph (80 km/h). In these conditions, drive with caution and refill DEF immediately. If the DEF becomes empty or contaminated fluid is not replaced, the vehicle will become limited to idle speed only once stopped. In these conditions, be cautious where you stop the vehicle because you may not be able to drive long distances and will not be able to maintain highway speeds until DEF is refilled or replaced. WARNING: Tampering or disabling your vehicle's exhaust aftertreatment system will result in severe vehicle performance limitation including eventual speed limiting to 5 mph. Your vehicle's message center will display a series of messages regarding the amount of DEF available. A systems check will display messages indicating the amount of DEF available (OK or under 1⁄2 full) or will produce a warning message that displays the mileage (kilometers) remaining as the fluid in the DEF tank nears empty. For more information on warning messages, see the Message center section in the Instrument Cluster chapter of your Owner's Guide. As the DEF level nears empty, the DEF warning symbol will be displayed and chimes will sound with the messages starting at 500 miles (805 km) remaining before DEF is depleted. The warning symbol and messages will continue until the DEF tank is refilled. Continued driving without refilling will result in the following actions as required by the California Air Resources Board (CARB) and /or U.S. Environmental Protection Agency (EPA): • Within a certain number of miles (kilometers) to empty, speed will be limited upon vehicle restart. Prior to this occurring a message will appear in the message center. 27 2012 Diesel (67l) Supplement, 3rd Printing USA (fus)

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DEF warning messages and vehicle operations
WARNING:
Diesel Exhaust Fluid (DEF) must be refilled when
low or replaced when contaminated or the vehicle speed will be
speed limited to 50 mph (80 km/h). In these conditions, drive with
caution and refill DEF immediately. If the DEF becomes empty or
contaminated fluid is not replaced, the vehicle will become limited to
idle speed only once stopped. In these conditions, be cautious where
you stop the vehicle because you may not be able to drive long
distances and will not be able to maintain highway speeds until DEF is
refilled or replaced.
WARNING:
Tampering or disabling your vehicle’s exhaust
aftertreatment system will result in severe vehicle performance
limitation including eventual speed limiting to 5 mph.
Your vehicle’s message center will display a series of messages regarding
the amount of DEF available. A systems check will display messages
indicating the amount of DEF available (OK or under
1
±
2
full) or will
produce a warning message that displays the mileage (kilometers)
remaining as the fluid in the DEF tank nears empty. For more
information on warning messages, see the
Message center
section in the
Instrument Cluster
chapter of your
Owner’s Guide.
As the DEF level nears empty, the
DEF warning symbol will be
displayed and chimes will sound
with the messages starting at
500 miles (805 km) remaining
before DEF is depleted. The
warning symbol and messages will
continue until the DEF tank is
refilled.
Continued driving without refilling will result in the following actions as
required by the California Air Resources Board (CARB) and /or U.S.
Environmental Protection Agency (EPA):
•
Within a certain number of miles (kilometers) to empty, speed will be
limited upon vehicle restart. Prior to this occurring a message will
appear in the message center.
Maintenance and Specifications
27
2012 Diesel
(67l)
Supplement, 3rd Printing
USA
(fus)