ARMY TM 9-2815-256-24
AIR FORCE TO 38G1-96-2
MARINE CORPS TM 2815-24/5P
Table 3-2. Troubleshooting - Continued
TEST OR INSPECTION
3. ENGINE HARD TO START OR WILL NOT START.
Check for fuel being supplied to fuel injection pump.
Test supply pump capacity. Refer to paragraph 3-25.2. If supply pump not defective, do step 2.
Repair or replace fuel supply pump. Refer to paragraph 3-25.
Check for clogged fuel filter/water separator.
Replace filter cartridge. Refer to paragraph 3-24.1. if not clogged, do step 3.
Check for air in fuel system lines.
Bleed fuel system. Refer to paragraph 3-23. If fuel system is free of air, do step 4.
Check for fuel injector starting pressure too low or spray condition improper.
Remove, clean, and test fuel injector. Refer to paragraphs 3-29.1., 3-29.2., and 3-29.3. if not
defective, do step 5.
If defective replace fuel injector. Refer to paragraph 3-29.
Check for improper fuel injection pump timing.
Check fuel injection pump timing. Refer to paragraph 3-28. If fuel injection pump timing is correct,
do step 6.
Adjust fuel injection pump timing. Refer to paragraph 3-28.
Check for defective fuel injection pump
Test fuel injection pump. Refer to paragraph 3-27.7.
Repair or replace defective fuel injection pump. Refer to paragraph 3-27.