TM 9-6115-730-24
0011
TROUBLESHOOTING FAILURES WITHOUT FAULT CODES - Continued
MALFUNCTION
Fuel Supply Problem.
CORRECTIVE ACTION
STEP 1.
On EMCP set ENGINE CONTROL switch to OFF/RESET. Set Battery
Disconnect Switch to OFF. Set DEAD CRANK SWITCH to OFF.
STEP 2.
Check the fuel lines for restriction, collapsed lines, and pinched lines (WP 0016).
STEP 3.
Check the fuel tank for foreign objects or debris which may block the fuel lines
( per TM 9-6115-730-10).
STEP 4.
Prime the fuel system if any of the following have been performed.
a.
b.
Service on the low pressure fuel supply circuit.
c.
Replacement of unit (fuel) injectors (WP 0118).
STEP 5.
Purge air from the low pressure fuel supply circuit.
STEP 6.
Check the fuel pressure after the fuel filter while the engine is being cranked
Fuel Delivery Problem.
a.
b.
If the fuel pressure is still low, check the following items.
(1) Fuel transfer pump (WP 0102).
(2) Fuel transfer pump coupling (WP 0102).
(3) Fuel pressure regulating valve (WP 0102).
STEP 7.
Perform Injector Solenoid Test and Cylinder Cutout Test (WP 0013,
SYMPTOM 5).
STEP 8.
Verify the problem has been resolved.
0011-33
