NORMAL OPERATION – DIESEL ENGINE
Observe the following when the engine is operating.
•
All message center lights are off.
•
Malfunction Indicator Light (MIL) is off.
•
Engine oil pressure is above 10 psi (69 kPa) at idle.
•
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.
Cold Weather Precautions
Operation in ambient temperature below 32°F (0°C) may
require special considerations. The following charts sug-
gest these options:
Fuel Operating Range
NOTE:
Use “Ultra Low Sulfur Diesel Fuels”
ONLY.
4
STARTING AND OPERATING
41
Summary of Contents for Ram 2012
Page 1: ...07 R a m T r u c k O W N E R S M A N U A L 2 0 1 2 D i e s e l S u p p l e m e n t ...
Page 4: ......
Page 5: ...INTRODUCTION CONTENTS 䡵 A Message From Chrysler Group LLC 4 1 ...
Page 8: ......
Page 16: ...INSTRUMENT CLUSTER 14 UNDERSTANDING YOUR INSTRUMENT PANEL ...
Page 92: ......
Page 93: ...WHAT TO DO IN EMERGENCIES CONTENTS 䡵 Jump Starting 92 With Portable Starting Unit 95 5 ...
Page 98: ......
Page 164: ......
Page 165: ...INDEX 8 ...
Page 173: ...Chrysler Group LLC 12D241 226 AD 4th Edition Printed in U S A ...