TM 5-3805-291-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 1. Engine Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Prime fuel system if any of these
1. Prime fuel system (TM 5-3805-291-
17. Intermittent Low Power or
procedures have been performed:
10).
Power Cutout - Continued.
replacement of fuel filters, service on
2. If problem still exists, go to Test 5.
low pressure fuel supply circuit, or
replacement of fuel injectors.
5. Perform Fuel System Pressure Test
If problem still exists, go to Test 6.
1. If signal is erratic, perform Throttle
6. Use MSD to monitor the status for
Position Sensor Circuit Test (WP 0013
"Throttle Position." Verify the status
for "Throttle Position" is stable and that
the engine is able to reach high idle
2. If problem still exists, go to Test 7.
speed.
7. Perform Electrical Connectors
Clean any corroded or dirty connections,
Inspection (WP 0022 00).
tighten any loose connections, and replace
any faulty wiring harnesses (WP 0195 00
thru WP 0201 00).
CAU T I ON
18. Intermittent Engine
Shutdown.
Do not crank engine continuously for more than 30 seconds. Allow start-
ing motor to cool for two minutes before cranking engine again. Failure
to comply with this caution may result in damage to equipment.
N OT E
Use this procedure only if engine does not shut down completely and
must be restarted.
1. Connect MSD (WP 0005 00) and check 1. Troubleshoot any active codes before
for active diagnostic codes.
continuing with this procedure. Refer
to WP 0009 00.
2. If problem still exists, go to Test 2.
2. Visually check fuel tank for fuel (fuel
1. Add fuel if necessary (TM 5-3805-291-
tank may be empty).
10).
2. If problem still exists, go to Test 3.
3. Ensure all fuel lines are tight, properly
1. Replace, tighten, secure, or clean fuel
secured, and free of restrictions.
lines, as necessary (WP 0034 00).
2. If problem still exists, go to Test 4.
4. Check fuel tank for foreign objects.
1. Remove any foreign objects.
2. If problem still exists, go to Test 5.
5. Check to see if any of the following
1. If procedures have been performed,
procedures have been performed:
prime fuel system (TM 5-3805-291-
replacement of fuel filters, service on
10).
low pressure fuel supply circuit, or
2. If problem still exists, go to Test 6.
replacement of fuel injectors.
