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TM 9-2320-364-20-2
2-1050
2. ENGINE STARTS BUT MISFIRES, RUNS ROUGH, OR LACKS POWER (CONT).
4.
Drain and fill fuel
system (Para 4-8) and
replace all fuel filter
elements (Para 4-13
and 4-17).
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 priming pump operates.
Fuel tank(s), fuel/water separator
hoses, and fittings OK.
Fuel/water separator OK.
Secondary fuel filter OK.
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.
Engine will not run correctly if
fuel is contaminated.
WARNING
Is fuel free from water and
other contaminants?
Read WARNING
on Page 2-1051
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