Section 4
TROUBLESHOOTING
E. CODE 6X (X = 1 to 6) l INJECTOR RESPONSE TIME TOO LONG (Cent’d.)
STEP/SEQUENCE
6X-1 O Check ECM
Connectors
l Check terminals at both 5-way,
injector harness connectors (both
the harness and the ECM sides)
for damage; bent, corroded and
unseated pins or sockets.
6X-1 1 Check for Other
Possible Causes
l Check if any of the following
problems are evident:
1. Aerated fuel or
low fuel pressure.
2. Sticky valve.
3. Cold fuel.
4. Low battery.
5. Broken spring or armature
on the injector.
6. Problems in the charging
system (loose alternator
belt, etc.) or bad grounds.
7. Signs of insulation wear on
injector harness.
TM 9-2320-363-20-1
RESULT
WHAT TO DO NEXT
Terminals and
4-Go to 6X-1
1 .
connectors are OKAY.
P r o b l e m f o u n d . —
P r o b i e m f o u n d . —
No problems
found.
Repairterminals/connectors,
page 3-2. Then go to 6X-30.
I
-Repair. Then go to 6X-30.
*Replace ECM, page 4-192.
Then go to 6X-30.
3-325
