TM 5-3805-298-23-1
0037
Table 1. Engine Misfires, Runs Rough, or Is Unstable - Continued.
037
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Inspect fuel tube (Figure 11,
Fuel Tube OK - Proceed to step 6.
Engine Misfires, Runs
Item 2) between fuel injection
Rough, or Is Unstable -
Fuel Return Tube Leaks - Tighten or
pump (Figure 11, Item 3) and
Continued
replace fuel return tube (WP 0202).
secondary fuel filter base
Proceed to Test Step 8.
(Figure 11, Item 1) for Class I, II, or
III leaks.
6. Inspect fuel tube (Figure 11,
Fuel Tube OK - Proceed to step 7.
Item 2) between fuel injection
Fuel Tube Has Sharp Bends,
pump (Figure 11, Item 3) and
Pinching, or Damage - Replace fuel
secondary fuel filter base (Figure
return tube (WP 0202).
11, Item 1) for sharp bends,
Proceed to Test Step 8.
pinching, or damage.
Figure 11. Fuel Return Tube Between Fuel Injection Pump and Secondary Fuel Filter Base.
0037
