Engine Oil Pressure Gauge - GMC 2.8L Duramax Diesel 2020 Manual

10 Instruments and Controls
It takes a little more or less fuel
to fill up than the fuel gauge
indicated. For example, the
gauge may have indicated the
tank was half full, but it actually
took a little more or less than
half the tank's capacity to fill
the tank.
The gauge moves a little while
turning a corner or speeding up.
The gauge does not go back to
E (Empty) when the ignition is
turned off.
None of these indicate a problem
with the fuel gauge.
For information on how to fill the fuel
tank, see Filling the Tank 0 40.
Engine Oil Pressure
Gauge
4-Cylinder Pickup Models
See Oil Pressure under Driver
Information Center (DIC) in the
owner s manual.
Metric Van Models
English Van Models
Caution
Lack of proper engine oil
maintenance can damage the
engine. Driving with the engine oil
low can also damage the engine.
The repairs would not be covered
by the vehicle warranty. Check
the oil level as soon as possible.
Add oil if required, but if the oil
level is within the operating range
and the oil pressure is still low,
have the vehicle serviced. Always
follow the maintenance schedule
for changing engine oil.
The engine oil pressure gauge
reads in kPa (kilopascals) or psi
(pounds per square inch) when the
engine is running. Oil pressure may
vary with engine speed, outside
temperature, and oil viscosity.
If readings are outside the normal
operating range, the low oil
pressure message may display on
the Driver Information Center (DIC),
or for vehicles without a DIC the oil
pressure light will come on. If the oil