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OM-2031
TROUBLE, SYMPTOM
AND CONDITION
ENGINE AND CONTROLS (CONTINUED)
11. Engine "misses".
Runs unevenly.
12. Engine lacks power
3-1
Page 16
PROBABLE CAUSE
A. Insufficient fuel
B. Fault injector
C. Low compression
pressure
A. Improper engine
adjustments and gear
train timing
B. Insufficient fuel
C. Insufficient inlet
air due to damaged
air cleaner
D. Restricted exhaust
system
Trouble Shooting Chart (Sheet 8 of 20)
Figure 5
TEST, CHECK, AND/OR
REMEDY
A. Check fuel flow in accor-
dance with Cummins Diesel
Handbook. Repair or replace
parts as required. Also see
Engine, Trouble 3.
B. Check injectors in accor-
dance with Cummins Diesel
Handbook. See causes of low
compression listed under
ENGINE, Trouble 4, B, above.
C. Check compression in accor-
dance with Cummins Diesel
Handbook. See causes of low
compression listed under
ENGINE, Trouble 4, B, above.
A. "Tune-up" the engine in
accordance with Cummins
Diesel Handbook.
B. See ENGINE, Trouble 3.
C. Check air cleaner for
"plugging" and/or damage.
D. Check exhaust pipes for
restrictions. Check muffler
for clogged condition.
August 5/89 Revised
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