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IMPORTANT INFORMATION
The DPD removes particulate matter (PM) from the diesel exhaust gases. PM is filtered
from the exhaust gas and accumulated in the DPD. When PM accumulates to a level
predetermined by the engine control module, the DPD automatically burns the PM in a
process called regeneration. Regeneration may not be completed under certain driving
conditions. If this occurs, the DPD operator regeneration indicator light will flash to
prompt for the completion of DPD regeneration.
Diesel Particulate Defuser (DPD)
WARNING
• The DPD, muffler, and exhaust pipe are extremely hot while the engine is
running, during DPD regeneration, and immediately after vehicle operation. Be
careful not to inadvertently touch them. Otherwise, you could be burned.
• After driving through tall grass, mud, rocks, sand, water, etc., check that there
is no grass, branches, paper, rags, stones, sand, etc., adhering to or trapped
under the vehicle body. If the vehicle is operated with these materials trapped or
adhering to the underbody, a failure or fire could occur. Clear off any such matter
from the underbody.
• Before doing maintenance work on the vehicle, shut down the engine and allow
it to cool down. Otherwise, you could be burned.
ADVICE
• Always use low ash content engine oil. Also, do not use engine oil additives.
Failing to do so could result in DPD failure.
• Be sure to use extra-low-sulfur diesel fuel (containing sulfur of 10 ppm or lower).
• If you fill the vehicle with poor-quality fuel, water-removing additive or other
additive, gasoline, kerosene or alcohol-based fuel, it could harm the fuel filter,
prevent proper movement of fuel-lubricated parts in the injectors and adversely
affect engine components, possibly resulting in a breakdown.
• Do not modify the DPD, muffler, and exhaust pipe. Changing the alignment,
length or diameter of the exhaust pipe would adversely affect the exhaust
system's exhaust emission reduction function. If any modification is necessary
to install a component to the rear of the vehicle, consult your Isuzu Dealer.
ADVICE (Continued)
5108428_sec02_IMPORTANT INFORMATION.indd 89 2020/11/13 14:48:40
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