1996 CHEVROLET CAVALIER Owners Manual

Downloaded from www.Manualslib.com manuals search engine Malfunction Indicator Lamp (Check Engine Light)
Your Chevrolet is equipped
with a computer which
monitors operation of the
fuel, ignition and emission
CHECK
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, which 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
af two ways:
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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Downloaded from www.Manualslib.com manuals search engine If the Light Is Flashing
The following may prevent more serious damage to
your vehicle:
0 Reduce vehicle speed.
0 Avoid hard accelerations.
Avoid steep uphill grades.
If towing a trailer, reduce the amount of cargo being
hauled as soon as it is possible.
If the light stops flashing and remains on steady, see “If
the Light Is On Steady” following.
If the light continues to flash, when it
is safe to do so,
stop the vehicle. Put your vehicle in PARK (P). Turn the
key off, wait at least
10 seconds and restart the engine.
If the light remains on steady, see “If the Light Is On
Steady” following. If the light is still flashing follow the
previous steps, and drive the vehicle to your dealer or
qualified service center for service,
If the Light Is On Steady
You may be able to correct the emission system
malfunction by considering the following:
Did you just put fuel into your vehicle?
If
so, reinstall the fuel cap, making sure to fully install
the cap. The diagnostic system can determine if the fuel
cap has been left off or improperly installed. This will
allow fuel to evaporate into the atmosphere. A few
driving trips should turn the light off.
Did you just drive through a deep puddle
of water?
If so, your electrical system may be wet. The condition
will usually be corrected when the electrical system
dries out. A few driving trips should
turn the light off.
Are you low
on fuel?
As your engine starts
to run out of fuel, your engine may
not run as efficiently as designed since small amounts of
air are sucked into the fuel line causing a misfire. The
system can detect this. Adding fuel should correct this
condition. Make sure to install the fuel cap properly. It
will
take a few driving trips to turn the light off.
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Downloaded from www.Manualslib.com manuals search engine 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 Pressure Warning Light
If you have a low engine oil
pressure problem, this light
will stay on after you start
your engine, or come on
when you are driving. This
indicates that your engine is
not receiving enough oil.
The engine could be low on oil, or could have some
other oil problem. Have it fixed immediately.
The oil light could also come on in two other situations:
0 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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Downloaded from www.Manualslib.com manuals search engine If you’re idling at a stop sign, the light may blink on
If you make a hard stop, the light may come on for a
and then off.
moment. This is normal.
Don’t keep driving if the oil pressure is low. If
you do, your engine can become
so hot that it
catches fire.
You or others could be burned.
Check your
oil as soon as possible and have your
vehicle serviced.
I NOTICE:
Damage to your engine from neglected oil
problems can be costly and
is not covered by your
warranty.
Check Oil Light
CHECK
OIL
Prior to checking your oil le! This light should come
on
briefly while you are
starting your engine. If the
light doesn’t come on, have
it repaired.
‘If the light
comes on while starting and
stays on, your engine oil
level should be checked.
,el, be sure
yo bur vehicle has
been shut
off for several minutes and is on a level
surface. Check your oil level and bring it to the proper
level. See “Engine Oil” in the Index.
Note: A false CHECK
OIL light may. be generated when
parking on steep grades.
The oil level monitoring system only checks the oil
during the brief period between turning the key on and
engine start. It does not monitor the engine oil level
while the engine
is running. Additionally, an oil level
check is only performed
if the engine has been turned
off for a considerable period of time allowing the oil
normally in circulation to drain back into the oil pan.

Downloaded from www.Manualslib.com manuals search engine Passlock Warning Light
THEFT
SYSTEM
This light will come on
when you turn the key
towards the START
position.
If the light flashes, the Passlock system has entered a
tamper mode.
If the vehicle fails to start, see “Passlock”
in the Index.
If the light comes on continuously while driving and
stays on, there may be
a problem with the Passlock
system. Your vehicle will not be protected by Passlock,
and you should see your dealer.
Up-Shift Light (Manual Transaxle)
This light comes on when
you need
to shift to the next
higher gear. See “Manual
Transaxle” in the Index.
SHIFT
Check Gages Light
CHECK
GAGES
This light will come on
briefly when
you are
starting the engine. If the
light comes on and stays on
while you are driving, check
your various gages to see if
they are in the warning
zones.
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Downloaded from www.Manualslib.com manuals search engine Fuel Gage
When the ignition is on,
your fuel gage tells you
about how much fuel
you
have left.
When the indicator nears
EMPTY (E), you still have a
little fuel left, but
you should get more soon. Here are
four things that some owners ask about. None
of these show a problem with your fuel gage:
At the service station, the gas pump shuts off before
It takes a little more or less fuel to fill up than the
the gage reads FULL
(F).
gage indicated. For example, the gage 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 gage moves a little when you turn a corner or
The gage doesn’t go back to EMPTY (E) when you
For your fuel tank capacity, see “Capacities and
Specifications” in the Index. speed up.
turn off’ the ignition.
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Downloaded from www.Manualslib.com manuals search engine NOTES
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Downloaded from www.Manualslib.com manuals search engine NOTES
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