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 TM 9-2320-366-20-1
a12. LOW ENGINE POWER (CONT)
KNOWN INFO
TEST OPTIONS
3.
Remove and inspect
Fuel OK.
REASON FOR QUESTION
Oil level OK.
Are fuel/water separator
Air cleaner OK.
filter and fuel filter clean
Dirty or clogged fuel/water
Air system OK.
and clear of debris?
separator filter and/or fuel
Fuel hoses OK.
filter will cause low engine
No air in fuel system.
power.
POSSIBLE PROBLEMS
Dirty fuel filters.
Faulty fuel pressure
NO
regulating valve.
Restricted or damaged fuel
filter.
Faulty fuel governor.
Replace fuel/water separator
YES
filter (para 4-13) and/or fuel
filter (para 4-14).
KNOWN INFO
TEST OPTIONS
4.
Visual inspection
Fuel OK.
REASON FOR QUESTION
Oil level OK.
Is fuel pressure regulating
Air cleaner OK.
valve free from leaks or
A defective or leaking fuel
Air system OK.
damage?
pressure regulating valve
Fuel hoses OK.
will cause low engine power.
No air in fuel system.
Fuel filters clean.
POSSIBLE PROBLEMS
Faulty fuel pressure
regulating valve.
NO
Restricted or damaged fuel
filter.
Faulty fuel governor.
Replace fuel pressure
YES
regulating valve (para 4-3).
2-108.2
Change 1
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