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TM 10-3930-669-34
6. ENGINE RUNS ROUGH OR MISFIRES (CONT).
KNOWN INFO
Injection pump OK.
Injection pump timing OK.
POSSIBLE PROBLEMS
Low engine compression.
Cylinder head(s) or gasket(s)
faulty.
Camshaft faulty.
TEST OPTIONS
Compression test.
STE/ICE-R #50.
REASON FOR QUESTION
If engine compression is low,
engine will run rough or misfire.
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