TM 5-2410-240-23-1
0019
Table 1. Engine Troubleshooting Procedures - Continued.
0019
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Engine Misfires, Runs Rough, or
5. Test low fuel pressure fuel
Pressure Low - Repair as
is Unstable - Continued
system. Perform Low Pres-
directed in Low Pressure Fuel Sys-
sure Fuel System Test
tem Test (WP 0026).
Pressure OK - Proceed to step 6.
WARN I N G
Contact with high pressure fuel may cause fluid penetration and
burn hazards. High pressure fuel spray may cause a fire hazard.
Wait 60 seconds after engine has stopped to allow fuel pressure
to purge before any service or repair is performed on engine fuel
lines. Failure to follow these inspection, maintenance, and ser-
vice instructions may cause personal injury or death.
High Pressure Fuel System Low
6. Test high pressure fuel sys-
- Replace fuel injection pump (WP
tem. Perform High Pressure
0075).High Pressure Fuel Sys-
Fuel System Test (WP 0026).
tem Tests OK and Fuel Injector
Leak Off Tests OK - Replace fuel
injection pump (WP 0076).
Test Fails - Replace all fuel injec-
7. Test fuel injectors for leaks.
tors (WP 0077).
Perform High Leak Off Of Fuel
Injector Test (WP 0026).
Codes Found - Troubleshoot any
5. Engine Will Not Crank
1. Connect MSD (WP 0016).
active codes before continuing
Select engine ECM C6.6 D6K.
Check for any diagnostic
with this procedure (WP 0013).
codes (WP 0013).
2. Inspect wiring to starting motor
Loose/Faulty - Tighten loose con-
nection, replace faulty wiring
(WP 0145).
Battery Cables OK - Replace
3. Inspect for loose, corroded, or
starter (WP 0095).
damaged battery cables
Battery Cables Loose, Cor-
roded, or Damaged - Tighten
loose connection, replace faulty
cables (WP 0030).
4. Attempt to manually rotate
Rotates Freely - Restart this trou-
crankshaft through
bleshooting procedure.
360 degrees (WP 0024).
Does Not Rotate Freely -
Replace engine (WP 0051).
