Malfunction Indicator
Lamp
(Check
Engine Light)
CHECK
Your Buick is equipped
with a comphter which
monitors operation of the
fuel, ignition and emission
control systems.
This system
is
called OBD I1 (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.
NOTICE:
If you keep driving your vehicle with this light
on, after a while, your emission controls may not
work as well, your fuel economy may not be as
good and your engine may not run as smoothly.
This could lead to costly repairs that may not be
covered by your warranty.
This light should come
on,
as
a
check to
show
you
it
is
working, when the ignition is on and the engine
is
not
running.
If
the light doesn’t come on, have
it
repaired.
This
light will also come
on
during
a
malfunction in one
of
two ways:
0
0
Light Flashing
--
A
misfire condition has been
detected.
A
misfire increases vehicle emissions and
may damage the emission control system
on
your
vehicle. Dealer or qualified service center diagnosis
and service
is
required.
Light On Steady
--
An
emission control system
malfunction has been detected on your vehicle.
Dealer or qualified service center diagnosis and
service may be required.
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