TM 9-2320-302-20
0006 00-3
Table 1. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Engine Stops, But Is Not Seized - Continued.
c.
If CEL comes on, but is
erratic or intermittent, refer
to DDEC system fault code
10.4 (WP 0007 00)
4. Connect
Diagnostic
Data
Reader (DDR) to Diagnostic
Data Link (DDL) connector.
Perform DDEC system diagnostic
troubleshooting by referring to the
section number that matches the
flash code logged (WP 0007 00).
5. Erratic Engine Operation.
1. Check fuel lines and hoses for
leaks and damage.
Tighten or replace fuel lines and
hoses as necessary (WP 0030 00).
2. Check for clogged fuel/water
separator
and
clogged
secondary fuel filter.
Service or replace fuel filters (WP
0031 00).
3. Confirm fuel system is primed. Using fuel/water separator primer
pump, prime fuel system (TM 9-
2320-302-10).
4. Check for clogged or restricted
air cleaner element.
Service air cleaner (WP 0036 00).
5. With ignition ON and engine
OFF, press Check Engine
Button and observe Check
Engine Light (CEL).
a.
If CEL comes on and stays
on, perform step 6 and read
Active Codes.
b.
If CEL comes on for up to
five seconds and then turns
off, perform step 6 and read
Inactive Flash Codes.
c.
If CEL comes on, but is
erratic or intermittent, refer
to DDEC system fault code,
10.4 (WP 0007 00).
6. Connect
Diagnostic
Data
Reader (DDR) to Diagnostic
Data Link (DDL) connector.
Perform
DDEC
system
troubleshooting. Refer to section
number that matches flash code
logged (WP 0007 00).
6. Excessive Exhaust Smoke.
1. Check for clogged or restricted
air cleaner element.
Service air cleaner (WP 0036 00).
2. Check for clogged fuel/water
separator
and
clogged
secondary fuel filter.
Service or replace fuel filters (WP
0031 00).
3. With ignition ON and engine
OFF, press Check Engine
Button and observe Check
Engine Light (CEL).
a.
If CEL comes on and stays
on, perform step 4 and read
Active Flash Codes.
