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Page Title:
ENGINE STALLS AT LOW RPM (CONT) |
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 TM 9-2320-366-20-1
TM
a4. ENGINE STALLS AT LOW RPM (CONT)
a4.
KNOWN INFO
TEST OPTIONS
3.
Air cleaner OK.
Remove and inspect
Engine oil level and
Are primary and
REASON FOR QUESTION
condition OK.
secondary fuel filters
Dirty or clogged fuel
Air system OK.
clean and clear
filters will cause
Fuel hoses OK.
of debris?
engine to stall at low
No air in fuel system.
rpm.
POSSIBLE PROBLEMS
NO
Dirty fuel filters.
Faulty transfer pump.
Faulty fuel pressure
Replace fuel
regulating valve.
YES
filter (para 4-14).
KNOWN INFO
TEST OPTIONS
4.
Air cleaner OK.
Fuel Pump Test
Engine oil level and
or STE/ICE-R Test #50
Is outlet pressure
REASON FOR QUESTION
condition OK.
Low fuel pressure from
of fuel transfer
Air system OK.
pump 10 - 65 psi.
fuel transfer pump will
Fuel hoses OK.
cause engine to stall at
No air in fuel system.
low rpm.
Fuel filters OK.
POSSIBLE PROBLEMS
NO
Faulty transfer pump.
Faulty fuel pressure
regulating valve.
YES
Notify DS Maintenance.
2-84
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