FUEL CONSUMPTION EXCESSIVE.

TM 5-2420-224-20-1

Table 3-5. Troubleshooting (Cont)

Malfunction

Test or Inspection

Corrective Action

ENGINE (CONT)

6. FUEL CONSUMPTION EXCESSIVE.

Step 1. Check if air cleaner restrictor indicator light is lit.

If indicator light is lit, replace air cleaner element (page 4-35).

If indicator light is not lit, go to step 2.

WARNING

D i e s e l fuel is flammable. Do not perform this procedure near fire, flame, or

s p a r k s . Injury or death to personnel could result.

Step 2. Check for loose and damaged fuel lines.

If fuel lines are loose or damaged, lighten loose connections or

replace fuel lines (pages 4-25, 4-44).

If fuel lines are not loose or damaged, go to step 3.

Step 3. Check for clogged exhaust system.

If exhaust system is clogged, replace components as required

(pages 4-80, 4-81, 4-85).

If exhaust system is not clogged, go to step 4.

NOTE

If STE/lCE-R Cl Engine GO-NO GO Chain does not diagnose cause of problem, return to

this troubleshooting table.

Step 4. Perform STE/ICE-R Cl Engine GO-NO GO Chain test procedures in the DCA

diagnostic mode.

If malfunction is found, refer to List of Tasks (page iii) or

Alphabetical Index (page Index-1) and repair or replace

damaged or faulty components.

If malfunction is not found, notify direct support maintenance.

7. DECELERATION SLOW OR UNEVEN.

Check accelerator linkage for proper adjustment and operation.

If accelerator linkage is not adjusted or operating properly,

adjust accelerator linkage (page 4-68).

If accelerator linkage is adjusted and operating properly, notify

direct support maintenance.