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BACK PAGE BASICS
be the result of poor combustion.
If the bypass valve is not working
properly, a defective filter may be
to blame.
Above is a flow chart detailing
the inspections and corresponding
actions for low oil pressure in
an engine.
Reducing the Risk
of Low Oil Pressure
To reduce the risk of low oil
pressure in your engine, change the
oil and filter at the correct intervals.
Also, use high-quality lubricants,
including the right viscosity grade
and appropriate quality standard
specified by the American Petroleum
Institute (API) in the engine/car
manual. Be sure to check the oil level
periodically and inspect your engine
(and garage floor) for leaks. In addi-
tion, watch for blue smoke emitting
from the exhaust, particularly with
high-mileage engines. Do not drive
your car if the pressure sensor is
on and you don't know what the
problem is. For fleets, employing oil
analysis to determine the condition
of the oil and machinery will be the
best predictive/proactive strategy.
ML
About the Author
Alejandro Meza is a senior
technical consultant with Noria
Corporation. He has more than 20
years of experience in the lubricant
industry, technical services, quality
assurance, training, consulting and
development in the United States,
Brazil, Mexico and the Americas
region. Contact A lejandro at
ameza@noria.com.
50%
of lubrication professionals
say low oil pressure has caused
problems in their engines,
based on a recent survey at
MachineryLubrication.com
