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WARNING!
Do not leave children or animals inside parked
vehicles in hot weather. Interior heat build up may
cause serious injury or death.
NORMAL OPERATION – DIESEL ENGINE
Observe the following when the engine is operating.
•
All message center lights are off.
•
Check Engine Lamp is off.
•
Engine Oil Pressure is above 10 psi (69 kPa) at idle.
•
Low Oil Pressure light is off.
•
Voltmeter Operation:
•
The voltmeter may show a gauge fluctuation at
various engine temperatures. This cycling operation
is caused by the post-heat cycle of the intake mani-
fold heater system. The number of cycles and the
length of the cycling operation is controlled by the
engine control module. Post-heat operation can run
for several minutes, and then the electrical system
and voltmeter needle will stabilize.
•
The cycling action will cause temporary dimming of
the headlamps, interior lamps, and also a noticeable
reduction in blower motor speed.
262 STARTING AND OPERATING