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NOTE: Excessive white smoke and poor engine perfor-
mance will result if manifold heaters are not recycled.
2. Heat generated by the manifold heaters dissipates
rapidly in a cold engine. If more than two minutes pass
between the time the “Wait To Start Light” turns off and
the engine is started, recycle the manifold heaters by
turning the ignition OFF for at least five seconds and then
back ON.
3. If the vehicle is driven and vehicle speed exceeds
19 mph (31 km/h) before the manifold heater post-heat
(after start) cycle is complete, the manifold heaters will
shut off.
4. If the engine is started before the “Wait To Start Light”
turns off, the preheat cycle will turn off.
5. If the engine is cranked for more than 10 seconds, the
post-heat cycle will turn off.
NOTE:
•
Engine idle speed will automatically increase to 1, 000
RPM 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, refer to
“Adding Fuel/Priming If The Engine Has Run Out Of
Fuel” in this section.
STARTING AND OPERATING 43
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