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Troubleshooting
OUOD006,000004C –19–13OCT06–1/7
Engine Troubleshooting
Symptom Problem
Solution
Engine cranks but will not start Incorrect starting procedure. Verify correct starting procedure.
No fuel. Check fuel in tank and manual
shut-off valve.
Exhaust restricted. Check and correct exhaust
restriction.
Fuel filter plugged or full of water. Replace fuel filter or drain water
from filter.
Injection pump not getting fuel or air Check fuel flow at supply pump or
in fuel system. bleed fuel system.
Faulty injection pump or nozzles. Consult authorized diesel repair
station for repair or replacement.
Engine hard to start or will not Engine starting under load. Disengage driveline.
start
Improper starting procedure. Review starting procedure.
No fuel. Check fuel tank.
Air in fuel line. Bleed fuel line.
Cold weather. Use cold weather starting aids.
Slow starter speed. See “Starter Cranks Slowly”.
Crankcase oil too heavy. Use oil of proper viscosity.
Improper type of fuel. Consult fuel supplier; use proper
type fuel for operating conditions.
Water, dirt, or air in fuel system. Drain, flush, fill, and bleed system.
Clogged fuel filter. Replace filter element.
Dirty or faulty injection nozzles. Have authorized servicing dealer or
engine distributor check injectors.
Injection pump shut-off not reset. Turn key switch to “OFF” then to
“ON”.
50-7
110306
PN=126
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