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130 STARTING AND OPERATING
3. After the “Wait To Start” telltale goes off, place
the ignition switch in the START position. Do
not press the accelerator during starting.
4. After engine start-up, check that the Oil
P
ressure Warning light has turned off.
5. Release the parking brake and drive.
NOTE:
Engine idle speed will automatically increase to
1,000 RPM and engage the Variable Geometry
Turbocharger at low coolant temperatures to
improve engine warm-up.
Automatic equipped vehicles with optional
Keyless Enter ‘n Go™ – If the start button is
pushed once while in park with the ignition off
and driver’s foot on the brake pedal, the vehicle
will automatically crank and start after the Wait
to Start time has elapsed. If it is desired to abort
the start process before it completes, the
driver’s foot should be fully removed from the
brake pedal prior to pushing the start button
again in order for the ignition to move directly to
off.
If the engine stalls, or if the ignition switch is left
ON for more than two minutes after the “Wait To
Start” telltale goes out, reset the intake air
heater by turning the ignition switch to the OFF
position for at least five seconds and then back
ON. Repeat steps 1 through 5 of “Starting Proce
-
dure – Engine Manifold Air Temperature 0°F To
6
6°F (–18°C to 19°C).”
STARTING PROCEDURE — ENGINE
M
ANIFOLD AIR TEMPERATURE BELOW
0°F (-18°C)
In extremely cold weather below 0°F (-18°C) it
may be beneficial to cycle the intake air heater
twice before attempting to start the engine. This
can be accomplished by turning the ignition off or
at least 5 seconds and then back ON after the
“Wait To Start” telltale has turned off, but before
the engine is started. However, excessive cycling of
the intake air heater will result in damage to the
heater elements or reduced battery voltage.
NOTE:
If multiple pre-heat cycles are used before starting,
ad
ditional engine run time may be required to
maintain battery state of charge at a satisfactory
level.
1. If the engine stalls after the initial start, the
i
gnition must be turned to the OFF position for
at least five seconds and then to the ON
position to recycle the intake air heater.
NOTE:
Excessive white smoke and poor engine perfor-
mance will result if intake air heater is not recycled.
2. He
at generated by the intake air heater
d
issipates rapidly in a cold engine. If more than
two minutes pass between the time the “Wait
To Start” telltale turns off and the engine is
started, recycle the intake air heater by turning
the ignition switch to the OFF position for at
least five seconds and then back ON.
3. If the vehicle is driven and vehicle speed
e
xceeds 19 mph (31 km/h) before the intake
ai
r heater post-heat (after start) cycle is
complete, the intake air heater will shut off.
4. If the engine is cranked for more than 10 sec-
on
ds, the post-heat cycle will turn off.
NOTE:
Engine idle speed will automatically increase to
1,000 RPM and engage the Variable Geometry
Turbocharger at low coolant temperatures to
improve engine warm-up.
When a diesel engine is allowed to run out of
fuel or the fuel gels at low temperatures, air is
pulled into the fuel system. If your engine has
run out of fuel
Ú page 375.
CAUTION!
Do not crank the engine for more than 25 sec-
onds at a time or starter motor damage may
re
sult. Turn the ignition switch to the OFF posi
-
tion and wait at least two minutes for the starter
to cool before repeating start procedure.
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