Turbocharger - Noisy Or Rough Operation; Turbocharger - White Smoke; Low Engine Oil Pressure - Mercury 1.7 MI Manual

TROUBLESHOOTING
CE539

Turbocharger - Noisy Or Rough Operation

Poor lubrication / low oil pressure at
turbocharger.
Entry of foreign materials from intake or
exhaust side.
Rubbing of compressor or turbine
impellers against housing.
Bearing failure.
CE540

Turbocharger - White Smoke

Thermal blanket at turbocharger getting
hot, resulting in white smoke and burning
smell from turbocharger area
CE541

Low Engine Oil Pressure

Faulty senders.
Insufficient oil in crankcase.
Excessive oil in crankcase (causing it to
become aerated).
Diluted or improper viscosity oil.
Page 106
INDEX
Possible Cause
Possible Cause
Possible Cause
Remedy
Have inspected by an authorized
Cummins MerCruiser Diesel dealer / Cummins MerCruiser Diesel dealer /
distributor.
Remedy
This is usually normal and occurs mostly
during the first hour of engine operation. If
the problem persists, have inspected by
an authorized Cummins MerCruiser Diesel
dealer / distributor.
Remedy
Have system checked by an authorized
Cummins MerCruiser Diesel dealer /
distributor.
Check and add oil.
Check and remove required amount of oil.
Check for cause of excessive oil (improper
filling).
Change oil and oil filter, using correct
grade and viscosity oil. Determine cause
for dilution (excessive idling).
CMD-3967823 / 90-865237030 OCTOBER 2003
SECTION 7