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Automatic regeneration
The DPF automatically collects PM from exhaust gas into the filter,
and automatically regenerates the filter when a certain amount of PM
accumulates.
When automatic regeneration starts, the green DPF indicator in the
meter comes on.
During the idling mode when the vehicle is at a stop, the engine
speed increases and the exhaust gas control valve may be activated.
NOTICE:
During the idling mode when the vehicle is at a stop, switching
the shift button to the "N" position increases the engine speed.
Automatic regeneration may not complete in some cases of
operating patterns and conditions. The DPF indicator light (amber
or red) will then come on.
CAUTION: For vehicles equipped with DPF, Isuzu recommends
engine oil that supports DPF (low ash oil). Use of low ash oil
extends the maintenance interval of the DPF filter.
NOTICE: The DPF performs regeneration automatically when a
certain quantity of PM accumulates in the filter.
Depending upon running conditions, however, the regeneration
may sometimes not be completed. In this case, the DPF indicator
light (amber or red) will come on, so promptly operate the
emergency regeneration according to the "Emergency
regeneration procedure".
This operation recovers the function of the DPF. It does not
mean that a breakdown has occurred.
CAUTION: To prevent fire, ensure that there is no combustible
material near the muffler, the DPF or the exhaust pipe. Also, be
careful not to burn yourself on the hot exhaust gas.
NOTICE: Operating noise is emitted during automatic regeneration
and also when it is deactivated; this does not mean that a
breakdown has occurred.
During the DPF automatic regeneration, the engine speed may
increase accompanied by the action of the exhaust brake valve,
during the DPF automatic regeneration, which may occur when the
vehicle is stopped and idling; this is not a malfunction.
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