Normal Engine Operation Snapshots; Cold Engine At Idle - Detroit Diesel MBE 900 Technician Manual

SNAPSHOT EXAMPLES PRELIMINARY
7.1

NORMAL ENGINE OPERATION SNAPSHOTS

It is important to understand what Normal looks like during normal engine operation, all
parameters should have smooth transitions.
Review the snapshots in this section for examples of typical engine operation.
7.1.1

COLD ENGINE AT IDLE

For a cold engine at idle, the EGR valve is closed and the EGR temperature after the EGR cooler
is well below the engine coolant temperature. See Figure 7-1 and Figure 7-2 for an MBE 900
engine operating at idle.
Figure 7-1 Cold MBE 900 Engine at Idle — Diagnostic Instrumentation Window
7-2
All information subject to change without notice. (Rev. 5/05)
7SE940 0505 Copyright © 2005 DETROIT DIESEL CORPORATION