3-- 1
T -343
SECTION 3
TROUBLESHOOTING
CONDITION POSSIBLE CAUSE
REMEDY/
REFERENCE
SECTION
3.1 DIESEL ENGINE
3.1.1 Engine Will Not Start
Starter motor will not crank or low
cranking speed
Battery insufficiently charged
Battery terminal post or battery defective
Electrical connections at starter are bad
Starter motor malfunctions
Starter motor solenoid defective
Open starting circuit
Incorrect grade of lubricating oil
Charge
Check
Correct
See 3.1.4
Engine Manual
See 3.1.5
Section 1.10.f.
Starter motor cranks, but fails to
start
No fuel in tank
Air inside the fuel system
Water inside the fuel system
Plugged fuel filters
Air intake heater is bad
Low oil / Oil pressure switch defective
Faulty heater switch
Plugged fuel lines to injector(s)
Mechanical lift fuel pump malfunction
Fuses F1, F2, F3, F4 are bad
Loose or no connection between wire harness and
electronic governor
Sections
1.9/1.10.g
Section 4.4.1
Drain Sump
Replace
Section 4.4.15
Sec tio n 4.4 .7
Sec tio n 4.4 .8
Engine Manual
Engine Manual
Che ck/ re place
Check/correct
Starter cranks and engages, but
dies after a few seconds
Engine lube oil too heavy
Voltage drop in starter cable(s)
Section 1.10.f.
Check
3.1.2 Engine Starts Then Stops
Engine stops after a few rotations
No fuel in tank
Fuel heater switch not held long enough
Fuel filter restricted
Air cleaner or hose restricted
Engine crankcase breather or hose restricted
Safety device open
Open wiring circuit to fuel solenoid
Fuel solenoid defective
Fuel supply restricted
Mechanical lift fuel pump malfunction
Low oil / Oil pressure switch defective
Leak in fuel system
Injector nozzle(s) defective
Injection pump defective
Generator internal overloads open
Sections
1.9/1.10.g
Hold switch
Replace
Section 4.4.13
Section 4.4.14
Section 1.8
Check
Replace
Sections 1.10.g,
4.4.2, and 4.4.3
Engine Manual
Sec tio n 4.4 .7
Check
Engine Manual
Engine Manual
Table 1-4
