TM 5-3800-205-23-1
TROUBLESHOOTING PROCEDURES - CONTINUED
0007 00
Table 6. Engine Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
a. Follow corrective actions as
2. Engine Cranks But Fails to Start (Operating
3. Using a multimeter, perform
described in test procedures.
Temperature Below 32F (0C) - Continued.
Starter
Ground
Circuit
Voltage Test, Starter Relay
Voltage Test, Starter Solenoid
Voltage Test, and Start Aid
Temperature Switch Solenoid
b. If problem still exists, go to
test step 4.
If indications are not as
4. Using a multimeter, check
specified, replace fuel shutoff
fuel shutoff solenoid GND
solenoid (WP 0017 00).
and STOP terminals for an
indication of 10.30 ohms, and
GND and START for 1.55
ohms.
3. Engine Does Not Develop Full Power.
1. Check for restricted or
a. Remove restrictions from
sticking accelerator pedal.
accelerator pedal on cab
floor.
b. If problem still exists, go to
test step 3.
2. Check for clogged fuel/water
Replace fuel/water separator
separator.
(TM 5-3800-205-23-2 or TM 5-
3800-205-23-3).
4. Engine Does Not Idle Properly.
1. Check indication of air filter
a. If indicator is red, clean air
service indicator.
filter and retest.
b. If problem still exists replace
air filter.
c. If problem still exists, go to
test step 2.
2. Check for clogged fuel/water
Replace fuel/water separator
separator.
(TM 5-3800-205-23-2 or TM 5-
3800-205-23-3).
5. Engine Fails to Crank When Key Start
1. Check position of battery
a. Place battery
disconnect
Switch is Turned to START.
disconnect switch.
switch to ON.
b. If problem still exists. go to
test step 2.
2. Check
position
of
a. Place transmission shift lever
transmission shift lever.
in N (Neutral).
