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TM 9-2320-364-20-2
2-1048
2. ENGINE STARTS BUT MISFIRES, RUNS ROUGH, OR LACKS POWER (CONT).
3.
Tighten loose filter.
Replace clogged or
faulty filter
(Para 4-13).
Verify repair, go to
Step 8 of this Fault.
YES
NO
Turn signals operate indicating
10 to 14 vdc are present on
wires 240 and 241 at battery
No. 4.
Fuel primary pump operates.
Fuel tank(s), fuel/water separator
hoses, and fittings OK.
Fuel/water separator OK.
Damaged, leaking, or clogged
secondary fuel filter.
Fuel contamination.
Wire 240 or 241 from battery to
circuit breaker CB23 or CB22
faulty.
Circuit breaker CB23 or CB22
faulty.
Wire 240 or 241 from circuit
breaker CB22 or CB23.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Visual inspection.
STE/ICE-R #26.
Injectors will not receive enough
fuel if secondary fuel filter is
clogged, leaking, or defective.
WARNING
Is secondary fuel filter tight
and free from leaks, damage,
and clogs?
Read WARNING
on Page 2-1049
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