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ARMY TM 9-2815-256-24 AIR FORCE TO 38G1-96-2 MARINE CORPS TM 2815-24/5P Table 3-2.  Troubleshooting - Continued MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 3.  ENGINE HARD TO START OR WILL NOT START. Step 1. Check for fuel being supplied to fuel injection pump. a. Test supply pump capacity.  Refer to paragraph 3-25.2.  If supply pump not defective, do step 2. b. Repair or replace fuel supply pump.  Refer to paragraph 3-25. Step 2. Check for clogged fuel filter/water separator. Replace filter cartridge.  Refer to paragraph 3-24.1. if not clogged, do step 3. 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. Step 4. Check for fuel injector starting pressure too low or spray condition improper. a. 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. b. If defective replace fuel injector.  Refer to paragraph 3-29. Step 5. Check for improper fuel injection pump timing. a. Check fuel injection pump timing.  Refer to paragraph 3-28.  If fuel injection pump timing is correct, do step 6. b. Adjust fuel injection pump timing.  Refer to paragraph 3-28. Step 6. Check for defective fuel injection pump a. Test fuel injection pump.  Refer to paragraph 3-27.7. b. Repair or replace defective fuel injection pump.  Refer to paragraph 3-27. 3-4


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