Banks Power Dodge Trucks: (Diesel ’03 - 07 5.9L Cummins) Tuner- Six-Gun Diesel Tuner (235, 250, 305 HP Dodge 5.9L Cummins (24-valve) Trucks) '03-04 For use with Six-Gun Switch - Manual (Page 29)

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Note: the Six-Gun Diesel tuner requires
the engine coolant temperature (eCt) to
be above 125º before it will add fuel.
Note: this verification of proper
performance should be performed prior
to permanent mounting of the Six-Gun
Diesel tuner as illustrated in Section 8.
If DynaFact
® gauges are installed,
observe the operation of the boost and
pyrometer gauges while driving under
varying conditions. Turbocharger boost
pressure will increase as a function of
load and engine RPM, thus the engine
will produce little boost while cruising
at light throttle, with maximum boost
while climbing hills heavily loaded
during acceleration.
Note: the boost level seen during
hard acceleration with a given load. If
performance seems to have deteriorated
sometime in the future, the maximum
boost figures may be compared to see
if boost has dropped off. Lower boost
may be caused by turbo ducting leaks,
a malfunctioning wastegate or fuel
injection pump, or dirty air filter. typical
maximum boost pressure settings for
the Dodge/Cummins diesel will vary
considerably with stick or automatic
transmission options, year model of
vehicle and altitude.
Note: Before key-off, check tuner for
error codes.
Use your pyrometer gauge to
monitor exhaust gas temperature
(EGT) in the engine. At idle, exhaust
gas temperature will be very low,
perhaps only 300°F. As the engine
is accelerated for higher speeds
with greater loads, the EGT will rise.
The highest EGT will be seen under
maximum load at full throttle, such as
climbing a steep grade with a heavily
laden vehicle. Your pyrometer is color
coded to assist in your reading of
the gauge. The red zone indicates a
dangerous level of temperature. Your
engine should not operate in this
range for more than a few seconds.
The blue zone indicates when it is safe
to shut the engine off. To avoid heat
damage to various engine components
it is recommended that the exhaust
gases cool below 400º before the
engine is shut down.
Your Six-Gun Diesel Tuner is calibrated
to maintain a maximum EGT of
1350°F. You may experience brief
excursions slightly above 1350°F under
acceleration. This is normal and EGT
should return to 1350°F or below
within a few seconds. If you find that
EGT remains high for any length of
time, check for boost leaks or a dirty
air filter.
-END, SEcTION 6-
SECTION 6
CHECKING ENGINE PERFORMaNCE