Starting Procedure - Engine Manifold Air Temperature 0°F To 66°F (-18°C To 19°C); Starting Procedure - Engine Manifold Air Temperature Below 0°F (-18°C) - Dodge RAM 2500 2022 Owner's Manual

138 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.
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.
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 Proce-
dure – Engine Manifold Air Temperature 0°F To
66°F (–18°C to 19°C)."
S P — E
TARTING ROCEDURE
M A T
ANIFOLD IR EMPERATURE
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 for
at least 5 seconds and then back to the ON/RUN
position 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,
additional 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
ignition must be turned to the OFF position for
at least five seconds and then to the ON/RUN
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.
NGINE 2. Heat generated by the intake air heater
dissipates rapidly in a cold engine. If more than
B
ELOW
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 to the
ON/RUN position.
3. If the vehicle is driven and vehicle speed
exceeds 19 mph (31 km/h) before the intake
air 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 seconds, the post-heat cycle will turn off.