TM 9-6115-730-24
0011
TROUBLESHOOTING FAILURES WITHOUT FAULT CODES - Continued
MALFUNCTION
Low Fuel Pressure.
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 fuel hoses for cuts, kinks, and other obstructions. Repair or replace fuel
hoses as required (WP 0057).
STEP 3.
Inspect the fuel tank for foreign material that may block the fuel pickup tube or
fuel hoses. Remove contaminants and foreign objects from fuel tank (per TM 9-
6115-730-10).
STEP 4.
Check for air in the fuel system. If air in the fuel is found, check that all fuel
fittings are tight and secure. Purge the air from the fuel system using the priming
pump.
STEP 5.
Check for fault codes indicating fuel filter restrictions. Correct any faults indicated
STEP 6.
If fuel pressure is still low, replace fuel transfer pump (WP 0102).
STEP 7.
Verify the problem has been resolved.
SYMPTOM
45.
Low Engine Oil Pressure.
MALFUNCTION
Oil Level Too Low.
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 engine oil level. Add engine oil as necessary ( per TM 9-6115-730-10).
STEP 3.
Verify the problem has been resolved.
MALFUNCTION
Oil Pressure Sensor Malfunction.
CORRECTIVE ACTION
STEP 1.
Check for inactive diagnostic codes. Resolve codes as required.
STEP 2.
Verify oil pressure with a 100 PSI minimum gauge connected to oil manifold near
oil pressure sensor. If oil pressure not correct, replace engine oil pressure
sensor WP 0098).
STEP 3.
Verify the problem has been resolved.
0011-58
