Pontiac 1996 Grand Prix Owner's Manual page 123

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Have you recently changed,brands of fuel?
If
so,
be sure to fuel' your vehicle with quality fuel
(see
"Fuel" in the Index). Poor fuel quality will cause your
engine not to run as efficiently as designed.
You
may
notice this as stalling after start-up, stalling when you
put the vehicle into gear, misfiring, hesitation
on
acceleration
or
stumbling
on
acceleration. (These
conditions may
go
away once the engine is warmed
up.)
This will be detected by the system and cause the light
to
turn
on.
If you experience this condition, change the fuel brand
you use. It will require at least one full tank of the
proper fuel to turn the light off.
If none of the above steps have made the light turn off,
have your dealer or qualified service center check the
vehicle. Your dealer has the proper test equipment and
diagnostic tools
to
fix any mechanical or electrical
problems that may have developed.
Oil Warnine Light
If you have a problem with
your oil, this light m y stay
on after you start your
engine, or come on when
you are driving.
This indicates that oil is not going through your engine
quickly enough to keep it lubricated. The engine could
be low on oil or could have some other oil problem.
Have it fixed right away.
The oil light could also come on in two other situations:
When the ignition is on but the engine is not running,
the light will come on as a test to show you
it is
working, but the light will go out when you turn the
ignition to START. If it doesn't come
on
with the
ignition on, you may have a problem with the fuse or
bulb. Have it fixed right away,
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Grandprix 1996

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