TM 5-3805-298-23-1
0037
Table 1. Engine Misfires, Runs Rough, or Is Unstable - Continued.
037
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
10. Inspect fuel return tube (Figure 7,
No Leaks Identified - Proceed to
Engine Misfires, Runs
Item 2) between fuel rail
step 11.
Rough, or Is Unstable -
(Figure 7, Item 1) and return hose
Continued
Fuel Return Tube Leaks - Replace fuel
(Figure 7, Item 3) for Class I, II, or
return tube (WP 0202).
III leaks.
Proceed to Test Step 8.
11. Inspect fuel return tube (Figure 7,
Fuel Return Tube and Hose OK -
Item 2) between fuel rail
Proceed to step 12.
(Figure 7, Item 1) and return hose
Fuel Return Hose Has Sharp Bends,
(Figure 7, Item 3) for sharp bends,
Pinching, or Damage - Replace fuel
pinching, or damage.
return hose (WP 0210). Proceed to Test
Step 8.
Fuel Return Tube Damaged - Replace
fuel return tube (WP 0202). Proceed to
Test Step 8.
0037-16
