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TM 10-3930-669-34
6. ENGINE RUNS ROUGH OR MISFIRES (CONT).
KNOWN INFO
Injection pump OK.
POSSIBLE PROBLEMS
Injection pump timing incorrect.
Low engine compression.
Cylinder head(s) or gasket(s)
faulty.
Camshaft faulty.
TEST OPTIONS
Injection pump timing check.
REASON FOR QUESTION
If injection pump timing is faulty,
engine will run rough or misfire.
Adjust injection
(Para 4-4). Go to
Step 6 of this Fault
WARNING
Read WARNING
on Page 2-55
2-54
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