TM 5-3810-306-34
TABLE 3-1. DIRECT AND GENERAL SUPPORT TROUBLESHOOTING (CONTD)
Malfunction
Test or Inspection
Corrective Action
15. FUEL KNOCK
Step 1.
Incorrect fuel injection pump timing.
a. Check fuel injection pump timing. (Refer to page
b. Correct fuel injection pump timing.
Step 2.
Defective fuel injector nozzles.
a. Remove and test fuel injectors. (Refer to page 5-2.)
b. Replace fuel injector(s).
16. EXCESSIVE FUEL CONSUMPTION
Step 1.
Fuel injection pump timing incorrect.
a. Check fuel injection pump timing. (Refer to
b. Correct fuel injection pump timing.
Step 2.
Defective fuel injectors.
a. Remove and test fuel injectors. (Refer to page 5-2.)
If OK, do Step 3.
b. Replace fuel injector(s).
Step 3.
Malfunctioning base engine components.
a. Inspect engine base components.
b. Repair engine as required.
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