TM 9-2320-387-24-l
ENGINE RUNNING
KNOWN INFO
ENGINE RUNS
NO ABNORMAL
NOISES
OR VIBRATIONS
EXHAUST OK
COMPRESSION
OK
POSSIBLE
PROBLEMS
1
FUEL SYSTEM
COOLING SYSTEM
ELECTRICAL
SYSTEM
KNOWN INFO
ENGINE RUNS
NO ABNORMAL
NOISES
OR VIBRATIONS
EXHAUST OK
COMPRESSION
OK
ENGINE POWER OK
POSSIBLE
PROBLEMS
COOLING SYSTEM
FUEL SYSTEM
KNOWN INFO
MOST SYSTEMS
SEEM TO BE
RUNNING OK.
POSSIBLE
PROBLEMS
DRIVETRAIN
DOES THE ENGINE OPERATE AT
NORMAL TEMPERATURE ?
DIAGNOSTIC FLOWCHART
T OPTIONS
1. CHECK TEMPERATURE
GAUGE.
2. RUN ENGINE COOLING
TESTS (Page 2-159).
REASON FOR QUESTION
A hot or cold engine may run
rough and cause problems later
