TM 5-3805-292-23
0006
ENGINE TROUBLESHOOTING - ENGINE CRANKS BUT WILL NOT START
(NO DIAGNOSTIC CODE) CONTINUED
G
Check for air bubbles in fuel
Air in fuel
Repair any leaks or replace lines
system. Refer to fuel supply
YES
system?
system check (WP 0007).
NO
Disassemble air cleaner and
Restrictions
Remove restrictions or replace air
check for restrictions or
YES
damaged or obstructed air filter
or damage?
filter.
NO
Check fuel supply pressure
Pressure
Replace fuel pump head (WP 0040).
NO
from fuel pump (WP 0007).
okay?
YES
Check for excessive valve lash
Valve lash
Adjust valve lash (WP 0056).
NO
okay?
YES
Drain and refill fuel tank with
If ambient temperature is below
Fuel
proper fuel for operating temperature range
YES
32F (0C), check for waxing of fuel.
waxing?
NO
Replace fuel injection
pump (WP 0044).