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
N OT E
8.
Excessive Fuel
Consumption.
Engine operation may also be affected by environmental conditions such
as wind or snow.
1. Connect MSD (WP 0005 00) and check 1. Each condition would indicate poor
"Current Totals" for excessive idle
operating habits.
time and/or high load factor.
2. If problem still exists, go to Test 2.
2. Check fuel pressure after the fuel filter. 1. If the fuel pressure is low, replace fuel
Refer to Fuel System Pressure Test
filters (WP 0035 00 and WP 0036 00).
If fuel pressure is still low, check these
items: fuel transfer pump and coupling
2. If problem still exists, go to Test 3.
3. Perform Fuel Quality Test (WP 0011
1. Remove unsatisfactory fuel from fuel
tank. Install new fuel filters (WP 0035
00 and WP 0036 00). Use proper grade
of clean fuel in fuel tank (WP 0020 00).
2. If problem still exists, go to Test 4.
4. Check calibration of speed/timing
1. If faulty, recalibrate or replace speed/
sensors (WP 0010 00).
timing sensors (WP 0076 00 and WP
0078 00).
2. If problem still exists, go to Test 5.
5. Check installation and perform
If problem still exists, go to Test 6.
Electrical Connectors Inspection (WP
0022 00) on ECM connectors (WP
0057 00) and fuel injector connectors
(WP 0187 00).
6. Use MSD to perform Injector Solenoid If problem still exists, go to Test 7.
Test. Determine if all injector solenoids
are being energized by the ECM. If not,
perform Injector Solenoid Circuit Test
