User Manual - Page 146

For RAM 2021 3500.

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144 STARTING AND OPERATING
Follow the steps in the “Normal Starting”
procedure except:
1. The “Wait To Start” telltale will remain on
for a period of time that varies depending
on the engine temperature.
2. While the “Wait To Start” telltale is on, the
instrument cluster will additionally display a
gauge or bar whose initial length represents
the full “Wait To Start” time period. Its
length will decrease until it disappears
when the “Wait To Start” time has elapsed.
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
Pressure 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 Procedure – Engine
Manifold Air Temperature 0°F To 66°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.
CAUTION!
If the “Water in Fuel Indicator Light” remains
on, DO NOT START the engine before you
drain the water from the fuel filters to avoid
engine damage Ú page 415.
CAUTION!
Do not crank the engine for more than
25 seconds at a time or starter motor
damage may result. Turn the ignition switch to
the OFF position and wait at least two
minutes for the starter to cool before
repeating start procedure.
21_DJD2_OM_EN_USC_t.book Page 144
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