Chevrolet/GMC 2.8L Duramax Diesel Engine Supplement (GMNA-Localizing-
U.S./Canada-13336155) - 2020 - CRC - 5/6/19
Driving and Operating
25
Warning (Continued)
gases are very hot. Things that
burn could touch hot exhaust
parts under the vehicle and ignite.
You or others could be burned.
Do not park, or idle for an
extended period of time, near or
over papers, leaves, dry grass,
or other things that can burn.
Keep the exhaust area clear of
material that could ignite or burn.
See
.
Caution
Extended idle should be avoided
because the DPF system is not
capable of self cleaning at idle.
During extended idle operation,
monitor the instrument cluster
telltale lights and Driver
Information Center for messages
and take appropriate indicated
(Continued)
Caution (Continued)
action. Continued idling with the
warning light/message on could
cause irreversible damage to the
DPF requiring repair and possible
replacement that might not be
covered by the vehicle warranty.
You will also notice a change in the
exhaust sound and engine idle
speed. Along with this, a burning
smell and reduction in fuel economy
may be noticed. This is normal.
If you continue to drive with the DPF
warning message on and the
exhaust filter is not cleaned as
required, the malfunction indicator
lamp and the ENGINE POWER IS
REDUCED message will come on
and dealer service is necessary.
See
Vehicles with the DPF have
specific fuel and engine oil
requirements. See
and
.
Extended idling in P (Park) can
cause exhaust parts and gases to
become very hot. Keep the exhaust
area clear of material that could
ignite or burn. See
.
If equipped with Power
Take-Off (PTO), monitor the
instrument cluster for lights related
to the DPF.
See
for important information if you
are considering adding accessories
or modifying the vehicle.
Manual Regeneration of Diesel
Particulate Filter
This feature is only available on
Fleet and Commercial vehicles.
To verify that the vehicle has this
feature, refer to the Vehicle Service
Parts Identification label (SPID) for
RPO code FPF or see
www.gmupfitter.com to contact the
GM Upfitter Integration Group for
assistance.