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TM 10-3930-669-20
2. ENGINE CRANKS BUT WILL NOT RUN (CONT).
KNOWN INFO
TEST OPTIONS
Engine cranks.
Glow plug indicator operates.
Fuse 2 OK.
Wire 6 OK.
Wire 34 OK.
Voltage test.
STE/ICE-R #89.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Fuel shutoff solenoid faulty.
Glow plugs faulty.
Throttle adjustment incorrect.
Water in fuel.
Fuel injector(s) faulty.
Relay R4 ground wire faulty.
Wire 7 faulty.
Wire 9A faulty.
Relay R4 faulty.
This question eliminates a
possible problem or group of
possible problems
determining
where troubleshooting
continues.
KNOWN INFO
TEST OPTIONS
Engine cranks.
Glow plug indicator operates.
Fuse 2 OK.
Wire 6 OK.
Wire 34 OK.
Relay R4 ground wire OK.
Wire 7 OK.
Wire 9A OK.
Relay R4 OK.
Visual inspection.
POSSIBLE PROBLEMS
REASON FOR QUESTION
Fuel shutoff solenoid faulty.
Glow plugs faulty.
Throttle adjustment incorrect.
Water in fuel.
Fuel injector(s) faulty.
If shutoff solenoid does not
actuate while starting engine
and with engine system in
ignition, shutoff solenoid is
faulty.
2-40
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