TM 9-2320-366-34-1
2-52
a11. ENGINE STARTS BUT MISFIRES, RUNS ROUGH, OR LACKS POWER
1.
START
Air cleaner OK.
Engine oil level OK.
Fuel system OK.
Fuel pressure OK.
YES
NO
Fuel Injector Test
Faulty fuel injector(s).
Incorrect valve clearance.
Improperly timed injectors.
Faulty fuel control linkage.
Faulty cylinder head gasket.
Low cylinder compression.
Improper injector
synchronization.
Is a loud combustion
knock heard when
actuating control shaft
lever on each injector
cylinder?
KNOWN INFO
POSSIBLE PROBLEMS
WARNING
Read WARNING
on following page.
TEST OPTIONS
REASON FOR QUESTION
Replace fuel
injector(s) (para 4-2).
Faulty fuel injector(s) may
cause engine to misfire,
run rough, or lack power.
INITIAL SETUP
Equipment Conditions
Engine shut down (TM 9-2320-366-10-1).
References
TM 9-4910-571-12&P
Tools and Special Tools
Tool Kit, Genl Mech (Item 78, Appendix B)
Wrench, Torque, 0-60 N·m (Item 96, Appendix B)
STE/ICE-R (Item 70, Appendix B)
Tool Kit, Intl Comb Eng (TM 9-2320-366-20)
Pressure Tester, Radiator (Item 49, Appendix B)
Adapter, Radiator (TM 9-2320-366-20)
