Banks Power Ford Trucks: (Diesel ’08 - 10 6.4L Power Stroke) Tuner- Six-Gun Diesel Tuner & SpeedBrake, For use with Banks iQ '08-10 Compatible with PowerPDA User Manual
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Section 5
CHECKING ENGINE PERFORMANCE
The Six-Gun Diesel Tuner requires the
engine coolant temperature (eCT) to
be above 110º before it will add fuel.
If the optional Banks iQ or DynaFact
®
gauges are installed, observe the
operation of the boost and pyrometer
(EGT) gauge values 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 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 Banks iQ or EGT 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.
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.
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