Engine Coolant Temperature Gage
and Light
Malfunction Indicator Lamp
[
-heck Engirr
-
kht)
-
This gage shows the engine
coolant temperature.
If
the gage pointer moves into the red warning zone and
the
HOT
warning light on your instrument cluster goes
on, your engine is too hot! It means your engine coolant
has overheated.
A
warning chime may also sound. If
you have been operating your vehicle under normal
driving conditions, you should pull
off
the road, stop
your vehicle and turn
off
the engine as soon as possible.
In the section “Problems on the Road,” this manual
explains what to do. See “Engine Overheating” in
the Index.
CHECK
a
Your Oldsmobile is
equipped with a computer
which monitors operation of
the fuel, ignition and
emission control systems.
This system is called OBD
11
(On-Board
Diagnostics-Second Generation) and is intended to
assure that emissions are at acceptable levels for the life
of the vehicle, helping to produce a cleaner
environment.
(In
Canada, OBD
I1
is replaced by
Enhanced Diagnostics.) The
CHECK
ENGINE light
comes on to indicate that there is a problem and service
is required. Malfunctions often will be indicated by the
system before any problem is apparent. This may
prevent more serious damage to your vehicle. This
system is also designed to assist your service technician
in correctly diagnosing any malfunction.
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