DPF Soot Accumulation
•
Over time, the DPF accumulates soot in the soot
filter. The computer for the engine monitors the
soot level in the DPF.
•
When enough soot accumulates, the computer
informs you that it is time to regenerate the diesel
particulate filter.
Engine Warning Messages—Soot Accumulation
Indication Level
Level 1: Engine
Warning
Level 2: Engine
Warning
Fault Code
g213866
Figure 31
Check Engine
SPN 3719, FMI 16
g213867
Figure 32
Check Engine
SPN 3719, FMI 0
•
DPF regeneration is a process that heats the DPF
to convert the soot to ash.
•
In addition to the warning messages, the computer
reduces the power produced by the engine at
different soot-accumulation levels.
Engine Power Rating
The computer de-rates the
engine power to 85%
The computer de-rates the
engine power to 50%
29
Recommended Action
Perform a parked regeneration
as soon as possible; refer to
Parked Regeneration (page
Perform a recovery regeneration
as soon as possible; refer to
Recovery Regeneration
(page
36).
33).