TM 5-3805-294-23-1
0039
Table 1. DTC 157.10 - Fuel Rail Pressure Loss Detected - Continued.
Test or Inspection
Corrective Action
Malfunction
3.
Perform Compression Test.
1.
If all tests lead to a faulty fuel
injector(s), replace faulty fuel
(Volume 3, WP 0321) Note
injector(s). (Volume 3,
results.
WP 0408)Restore machine to
original condition and operate
engine through normal speed
and load.(TM 5-3805-294-10).
(Volume 5, WP 0794) Clear
and refresh DTCs. (Volume 3,
WP 0362)
2.
If all tests do not lead to a faulty
fuel injector, it is possible that
another fault exists or that
another troubleshooting
procedure applies. If this was
the first time through this
procedure, restart procedure
at Malfunction 1.
Perform High-Pressure Pump
1.
If fuel flow is less than 11.3oz.,
4.
High-Pressure
Fuel Leak-Off Test (Volume 3,
proceed to Malfunction 5.
Pump Return Flow
Less Than 11.3 OZ.
WP 0347)
2.
If fuel flow is greater than
11.3oz., replace high-pressure
fuel pump. (Volume 3,
WP 0436)Restore machine to
original condition and operate
engine through normal speed
and load.(TM 5-3805-294-10).
(Volume 5, WP 0794) Clear
and refresh DTCs. (Volume 3,
WP 0362)
Perform Safety Relief Valve
1.
If fuel flow is present, replace
5.
Fuel Flow Present
high-pressure fuel safety relief
At Safety Relief
Test. (Volume 3, WP 0368)
valve. (Volume 3,
Valve.
WP 0434)Restore machine to
original condition and operate
engine through normal speed
and load.(TM 5-3805-294-10).
(Volume 5, WP 0794) Clear
and refresh DTCs. (Volume 3,
WP 0362)
2.
If fuel flow is not present,
proceed to Malfunction 6.
1.
Replace fuel rail pressure
6.
Fuel Rail Pressure
Sensor Fauly.
sensor. (Volume 3, WP 0429)
0039-4