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Fault Finding
CHART B2—Fuel/Oil leaking from exhaust manifold
Cause
Remedy
Operating for extended periods under light or
no load.
Review operation for correct gear shifts, deceleration and idling.
Intake air or exhaust leaks. Refer to Charts A13 & A14.
Turbocharger lubricating oil drain line
obstructed.
Check/clean line.
Exhaust leak at the manifold or turbocharger. Check/correct leaks in the manifold or turbocharger gaskets. Look
for a cracked manifold.
Valve guide seals are leaking. Replace valve guide stem seals as required.
One or more injector worn or
malfunctioning.
Check and externally clean the injector. If the problem still
persists, the injector must be checked by a FIE specialist or replace
with new.
Injection pump timing incorrect. If the pump has recently been removed and replaced the timing
could be incorrect if the correct removal procedures were not
followed.
The timing can only be checked by a FIE specialist using the
correct equipment.
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