TM 5-3805-294-23-1
0130
Table 1. High-Pressure Fuel Supply System Test - Continued.
Test or Inspection
Corrective Action
Malfunction
Perform Restricted Fuel Leak-
1.
If restricted or damaged,
40.
Fuel Injector Leak-
Off Line Test. (Volume 3,
replace fuel injector leak-off
off Lines Restricted
or Damaged.
WP 0366)
line. (Volume 3, WP 0425)
Restore machine to original
condition. Clear and refresh
DTCs. (Volume 3, WP 0362)
2.
If not restricted or damaged,
proceed to Malfunction 41.
Perform High Pressure Fuel
1.
If fuel flow is not present or
41.
High-Pressure Fuel
Pump Leak-off Test. (Volume
greater than 11.3 oz (333 ml),
Pump Faulty.
replace high-pressure fuel
3, WP 0347)
pump. (Volume 3, WP 0436)
Restore machine to original
condition. Clear and refresh
DTCs. (Volume 3, WP 0362)
2.
If fuel flow is within
specifications, install fuel
return line (Volume 3,
WP 0425) , then proceed to
Malfunction 42.
1.
Perform Cylinder Misfire Test.
42.
Cylinder Misfire and
Cutout Test.
(Volume 3, WP 0330) Note
readings.
2.
Perform Cylinder Cutout Test.
1.
If each cylinder's contribution
is within 10 percent of the
(Volume 3, WP 0329) Note
others during Cylinder Misfire
readings.
Test and the sound of the
engine changes equally when
each injector is disabled during
the Cylinder Cutout Test,
problem not in high pressure
fuel supply system. Return to
original troubleshooting
procedure.
2.
If each cylinder's contribution
is not within 10 percent of the
others during Cylinder Misfire
Test or the sound of the engine
does not change equally when
each injector is disabled during
the Cylinder Cutout Test,
proceed to Malfunction 43.
0130-16