TM 5-3805-298-23-1
0037
Table 1. Engine Misfires, Runs Rough, or Is Unstable - Continued.
037
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Engine Misfires, Runs
Rough, or Is Unstable -
Continued
Figure 17. Fuel Rail Pressure Parameters.
0037
5. Perform cylinder cutout test
Cylinder Cutout Test Results OK for
(WP 0163).
All Cylinders - Proceed to step 7.
Cylinder Cutout Test Results Not OK
for One or More Cylinders - Replace
engine assembly (WP 0178).
Little or No Fuel Identified - Install fuel
6. Remove fuel return tube
return tube (Figure 18, Item 2) on fuel
(Figure 18, Item 2) from fuel rail
rail (Figure 18, Item 1).
(Figure 18, Item 1) and inspect for
Class III leaks at fuel rail.
Proceed to step 7.
Class III Fuel Leak Identified -
Replace fuel pressure relief valve
(WP 0215).
Proceed to Test Step 8.