Smokes White or Blue Fog-Like Exhaust In Full-Load Range

SYMPTOM DESCRIPTION:

When engine is placed under full load, excessive white or blue fog-like smoke exudes from the exhaust.




POSSIBLE CAUSE ACTION

Improper fuel ^ Drain fuel tank, flush system,
and fill with proper fuel.

^ Change fuel filter.



Empty fuel tank or ^ Fill tank.
fuel tank vent blocked ^ Bleed fuel system.

^ Check tank vent.






Air in fuel system ^ Bleed fuel system.





Clogged fuel filter ^ Replace fuel filter.




Leaking, restricted, or damaged ^ Replace leaking or damaged
supply lines, or loose fuel lines or tighten connections as
connections needed. Bleed fuel system.




Restricted, blocked, or ^ Remove restriction or
leaking fuel injector lines replace lines as necessary.
Bleed fuel system.





Wax buildup in fuel filter ^ Replace fuel filter, and
(cold weather only) verify that the proper fuel is
being used.




Incorrect injection pump to ^ Adjust injection pump timing.
engine timing




Injection pump overflow fitting ^ Install fittings to their
switched with fuel inlet fitting proper locations.
Bleed fuel system.







Injection pump malfunction ^ If injection pump is malfunctioning
or will not adjust properly, replace as
a unit.