TM 10-3930-675-24-1
TROUBLESHOOTING PROCEDURES (NON-ERROR CODE) - CONTINUED
0007 00
Table 1. Engine Troubleshooting Procedures (Non-Error Code) - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
8. Engine Runs Rough - Continued.
2. Check for loose or damaged a. Tighten loose engine mounts.
engine mounts.
b. Replace engine mounts (WP
0198 00).
3. Check for clogged fuel/water a. For RESET or USMC
separator or leaking fuel lines,
vehicles, ensure fuel line
hoses, and fittings that may
shutoff valve is open.
allow air into fuel system.
Check for restricted fuel lines
(supply and return).
b. Tighten or repair fuel lines,
hoses, and fittings (WP 0060
00).
c. Replace clogged fuel/water
separator (WP 0059 00).
d. Check quality of fuel, type, and
grade.
4. Check Engine Position Sensor Perform troubleshooting
(EPS)
or
circuit
for procedures for error codes 1115
malfunction.
and 1121 (WP 0019 00).
5. Check
for
turbocharger Replace turbocharger (WP 0217
malfunction.
00).
9. Engine Speed Surges (Idle or Under Load).
1. Check for engine idle speed set Monitor idle speed; should be
too low or idling with around 700 RPM. Check for
excessive load.
excessive hydraulic loads at idle.
2. Check for fuel level in tank.
Fill fuel tank.
3. Check for clogged fuel/water a. For RESET or USMC
separator or leaking fuel lines,
vehicles, ensure fuel line
hoses, and fittings that may
shutoff valve is open.
allow air into fuel system.
Check for restricted fuel lines
(supply and return).
b. Tighten or repair fuel lines,
hoses, and fittings (WP 0060
00).
c. Replace clogged fuel/water
separator (WP 0059 00).
0007 00-10
