TM 5-3895-385-23-1
0071
Table 1. SPN#1322, FMI#31 ― Engine Misfire Multiple Cylinders -- Condition Exists -- Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Start engine (TM 5-3895-385-
10) and run at idle.
6. Check for cylinder misfire, black
1. If a cylinder misfire has been
or white smoke, engine
detected, proceed to next
stumble, or rough idle.
malfunction.
2. If no evidence of cylinder
misfire has been detected,
proceed to next test.
7. Loud engine knock occurs.
1. If loud engine knock is present,
turn keyless engine switch to
the OFF position (TM 5-3895-
385-10), and proceed to engine
noise symptom tree (WP 0085).
2. If loud engine knock is not
present, turn keyless engine
switch to the OFF position (TM
5-3895-385-10), and proceed to
next malfunction.
2. Failed or damaged fuel injector.
1. Remove engine valve cover
(WP 0327, Vol 2).
2. Inspect the fuel injector
1. If damaged, replace the fuel
solenoid wires and the pass-
injector solenoid wires and the
through connector for cylinders
pass-through connector (WP
1 and 2 for damage (WP 0338,
0338, Vol 2).
Vol 2).
2. If not damaged, proceed to next
test.
3. Inspect the fuel injector
1. If damaged, replace the fuel
solenoid wires and the pass-
injector solenoid wires and the
through connector for cylinders
pass-through connector (WP
3 and 4 (WP 0338, Vol 2).
0338, Vol 2).
2. If not damaged, proceed to next
test.
4. Disconnect solenoid wires for
fuel injector 1 (WP 0338, Vol 2),
tape connectors with electrical
tape, and secure away from
rocker assembly.
0071-2