TM 9-2320587-24-1
FUEL SYSTEM
KNOWN INFO
FUEL FILTER OK
POSSIBLE
PROBLEMS
FUEL PUMP
ACCELERATOR
LINKAGE
FUEL LINES
INJECTION PUMP
INJECTORS
INTAKE/EXHAUST
RETURN CHECK VALVE
KNOWN INFO
FUEL LINES OK
FUEL FILTER OK
POSSIBLE
PROBLEMS
INTAKE/EXHAUST
FUEL PUMP
ACCELERATOR
LINKAGE
INJECTION PUMP
INJECTORS
I
KNOWN INFO
FUEL PUMP OK
FUEL LINES OK
FUEL FILTER OK
POSSIBLE
PROBLEMS
2-124
INSPECT FUEL SUPPLY AND
RETURN LINES.
ARE THE LINES OK?
DIAGNOSTIC FLOWCHART
_
r OPTIONS
VISUAL
REASON FOR QUESTION
Kinked fuel lines will restrict fuel flow.
ARE THE INTAKE AND EXHAUST
SYSTEMS OK?
r OPTIONS
AIR INTAKE/EXHAUST
TESTS (Page 2-141)
REASON FOR QUESTfON
The intake and exhaust systems
affect vehicle operation under all
&@+z&
conditions.
WITH ENGINE NOT RUNNING,
CHECK MOVEMENT OF
ACCELERATOR PEDAL.
DOES PEDAL HAVE FULL
TRAVEL?
VISUAL
TEST OPTIONS
REASON FOR QUESTION
If the pedal sticks, you may not
be able to fully open the throttle.
MAINTENANCE
