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TM 5-4320-308-13
Table 4-1. Forward Intermediate Troubleshooting
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1.
ENGINE CRANKS BUT FAILS TO START
Step 1.
Check for loose cylinder head.
If loose, tighten nuts.
Step 2.
Check for faulty lift pump.
Repair lift pump (para 4-13).
Step 3.
Check for faulty injector. Remove and test injector (para 4-14).
Repair or replace faulty injector (para 4-14).
2.
ENGINE STARTS BUT RUNS UNEVENLY, STALLS, OR SURGES
Step 1.
Check for faulty injector. Remove and test injector (para 4-14).
Repair or replace faulty injector (para 4-14).
Step 2.
Check for air in the fuel system.
Service injector (para 4-14).
3.
ENGINE STOPS RUNNING OR PRODUCES BLACK, WHITE, OR GREY SMOKE
Step 1.
Check for faulty injector. Remove and test injector (para 4-14).
Repair or replace faulty injector (para 4-14).
Step 2.
Check for faulty lift pump.
Repair lift pump (para 4-13).
4.
ENGINE CONSUMES EXCESSIVE LUBE OIL
Step 1.
Check for oil leaks on bottom of engine.
Tighten screws on cover located on bottom of engine.
4-2
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