2013 Ford F450 Super Duty Crew Cab Diesel Supplement Printing 1 - Page 36

2013 Ford F450 Super Duty Crew Cab Manual

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Fuel and Refueling from the tailpipe. As soot gathers in the system it begins to restrict the filter. The soot gathered inside the filter needs to be periodically cleaned. The soot can be cleaned in two different ways; passive regeneration and active regeneration. Both methods occur automatically and require no actions from the driver/operator. During either one of these regeneration methods you may notice an increase/change in exhaust noise/tone. At certain times, the message center will display various messages related to the DPF. See the Information Displays chapter in the Owner Guide for more information. Passive regeneration In passive regeneration, the exhaust constituents / temperature are at an appropriate level where some soot can be reduced or oxidized (burned) thus cleaning the filter. This method occurs naturally as a result of normal engine operating conditions (at varying levels due to drive patterns). Active regeneration Note: Do not disregard the DRIVE TO CLEAN EXHAUST FILTER or Drive to Clean Exhaust System maintenance message for extended periods of time. Failure to perform active or operator commanded regeneration (OCR) (if equipped) when instructed may result in a clogged DPF. If your DPF fills beyond what can be safely regenerated, active regeneration and OCR will be disabled. This could cause irreversible damage to the DPF, requiring service and possible replacement that may not be covered by your warranty. Once the DPF is full of exhaust particles, the engine control module will command the exhaust system to clean the DPF through a process called active regeneration. Active regeneration requires the engine computer to raise the exhaust temperature to eliminate the particles. During cleaning, the particles are converted to harmless gasses, and the DPF will then be clean and ready to continue trapping exhaust particles. The regeneration process operates more efficiently when the vehicle is safely operated at least 30 mph (48 km/h) with a steady pedal for approximately 20 minutes to complete the process. The frequency and duration of regeneration will fluctuate as both are determined by how you drive your vehicle, outside air temperature, and altitude. For most driving, regeneration frequency will vary from 100 - 500 miles (161 805 km) between occurrences and each occurrence will last from 9 20 minutes. The duration of regeneration is usually reduced if a constant speed above 30 mph (48 km/h) is maintained. 35 2013 Diesel (67l) Supplement, 1st Printing USA (fus)

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from the tailpipe. As soot gathers in the system it begins to restrict the
filter. The soot gathered inside the filter needs to be periodically cleaned.
The soot can be cleaned in two different ways; passive regeneration and
active regeneration. Both methods occur automatically and require no
actions from the driver/operator. During either one of these regeneration
methods you may notice an increase/change in exhaust noise/tone. At
certain times, the message center will display various messages related
to the DPF. See the
Information Displays
chapter in the
Owner Guide
for more information.
Passive regeneration
In passive regeneration, the exhaust constituents / temperature are at an
appropriate level where some soot can be reduced or oxidized (burned)
thus cleaning the filter. This method occurs naturally as a result of
normal engine operating conditions (at varying levels due to drive
patterns).
Active regeneration
Note:
Do not disregard the
DRIVE TO CLEAN EXHAUST FILTER
or
Drive to Clean Exhaust System
maintenance message for extended
periods of time. Failure to perform active or operator commanded
regeneration (OCR) (if equipped) when instructed may result in a
clogged DPF. If your DPF fills beyond what can be safely regenerated,
active regeneration and OCR will be disabled. This could cause
irreversible damage to the DPF, requiring service and possible
replacement that may not be covered by your warranty.
Once the DPF is full of exhaust particles, the engine control module will
command the exhaust system to clean the DPF through a process called
active regeneration. Active regeneration requires the engine computer to
raise the exhaust temperature to eliminate the particles. During cleaning,
the particles are converted to harmless gasses, and the DPF will then be
clean and ready to continue trapping exhaust particles.
The regeneration process operates more efficiently when the vehicle is
safely operated at least 30 mph (48 km/h) with a steady pedal for
approximately 20 minutes to complete the process. The frequency and
duration of regeneration will fluctuate as both are determined by how
you drive your vehicle, outside air temperature, and altitude. For most
driving, regeneration frequency will vary from 100 - 500 miles (161 -
805 km) between occurrences and each occurrence will last from 9 -
20 minutes. The duration of regeneration is usually reduced if a constant
speed above 30 mph (48 km/h) is maintained.
Fuel and Refueling
35
2013 Diesel
(67l)
Supplement, 1st Printing
USA
(fus)