TM 9-2320-367-24-l
COMPRESSION / MECHAN;&~‘-
KNOWN INFO
~
BATIERY
AND
STARTER ClRCUlTS OK
RUN A POWER TEST WITH THE
AIR FILTER REMOVED. DOES
THE TEST STILL FAIL?
POSSIBLE
PROBLEMS
ENGINE
DRlVETFiAlN
FUEL SYSTEM
INTAKE/EXHAUST
KNOWN INFO
BATTERY AND
STARTER ClRCUlTS OK
AIR INTAKE/EXHAUST
OK
POSSIBLE PROBLEMS
ENGINE
DRIVETRAIN
FUEL SYSTEM
KNOWN INFO
BAllERY
AND
STARTER ClRCUlTS OK
AIR INTAKE/EXHAUST
OK
FUEL SYSTEM OK
POSSIBLE
PROBLEMS
ENGINE
DRIVETRAIN
DIAGNOSTIC FLOWCHART
_
iT OPTlONS
AIR INTAKUEXHAUST
TESTS
(Page 2-141)
REASON FOR QUESTION
Intake or exhaust restrictions will
prevent the engine from
HAVE YOU RUN THE FUEL
SYSTEM TESTS YET?
’ OPTIONS
FUEL SYSTEM TESTS
(Page 2-99)
REASON FOR QUESTION
Many fuel system faults will allow
the engine to start and run but
prevent it from producing full
power.
IF EVERYTHING CHECKS OUT
OK TO THIS POINT, THEN YOU
PROBABLY HAVE AN ENGINE
MECHANICAL PROBLEM THAT
CAN’T BE HANDLED AT THIS
LEVEL OF MAINTENANCE.
NOTIFY DS MAINTENANCE
(CHAPTER 14).
2-l 66
