fuel pressure CHEVROLET CORVETTE 1994 4.G Owners Manual

Downloaded from www.Manualslib.com manuals search engine How to Use This Manual
Normal Air Conditioning
Bi-Level Vent
Heater
. . .10
These symbols are used on warning and
indicator lights:
Engine Coolant Temperature
Battery Charging System
I-1
Fuel
Engine Oil Pressure
Engine Oil
Temperature
Brake
Anti-Lock Brake System
(@I
Engine
CJ
Here are some other symbols you may see:
Hatch Release
Hood Release
Lighter Horn
Speaker
Acceleration Slip Regulation

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0
0
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0
2 (Second Gear) - Press the clutch
pedal as you
let up on the accelerator
pedal and shift into
“2.” Then, slowly
let up on the clutch pedal as you press
the accelerator pedal.
3,4,5 and 6 (Third, Fourth, Fifth
and Sixth Gears)
- Shift into “3,”
“4,” “5” and “6” the same way you do
for
“2.” Slowly let up on the clutch
pedal as you press the accelerator
pedal.
To Stop - Let up on the accelerator
pedal and press the brake pedal. Just
before the vehicle stops, press
the
clutch pedal and the brake pedal, and
shift to “Neutral.”
Neutral - Use this position when
you start or idle your engine.
R (Reverse) - To back up, press
down the clutch pedal, and shift into
“R.” If the shift lever has a ring on it,
you have to lift the ring before you
can shift into
“R” (Reverse). If you
don’t have the ring, just apply
pressure to get the lever past
“5” and
“6” into “R” (Reverse). Let up on the
clutch pedal slowly while pressing the
accelerator pedal.
Shift Speeds (MANUAL TRANSMISSION)
This chart shows when to shift to the next higher gear for best fuel economy.
MANUAL TRANSMISSION RECOMMENDED SHIFT SPEEDS, IN MPH (km/h)
Acceleration Shift Speed
Engine
1 to2 I 2to3 I 3to4 I 4t05 I 5t06
[f your speed drops below 20 mph
(30 kmh), or if the engine is not running
smoothly, you should downshift to the
next lower gear.
You may have to
downshift two or more gears to keep the
zngine running smoothly or for good
performance.
I NOTICE:
When you are shifting gears, don’t
move the gear shift lever around
needlessly. This can damage parts of
the transmission and may require
costly repair. Just shift directly into the next appropriate gear.
... 54

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SOON
0
Malfunction Indicator Lamp (Service Engine Soon Light)
A computer monitors operation of your
fuel, ignition and emission control
systems. This light should come on when
the ignition is on,
but the engine is not
running, as a check to show you it is
working. If it does not come on at all,
have it fixed right away. If it stays on, or
it comes on while you are driving, the
computer is indicating that you have a
problem.
You should take your vehicle in
for service soon.
NOTICE:
If you keep driving your vehicle
with this light on, after a while the
emission controls won’t work as
well, your fuel economy won’t be as
good and your engine may not
run as
smoothly. This could lead to costly
repairs not covered by your warranty.
W
OIL
PRESS
PSI
. .,
Engine Oil Pressure Gauge
This gauge tells you if there could be a
problem with your engine oil pressure.
The engine oil pressure gauge shows the
engine oil pressure
in psi (pounds per
square inch) or kPa (kilopascals) when
the engine is running. Oil pressure
should be
20 to 80 psi (140 to 550 kPa).
It may
vary with engine speed, outside
temperature and oil viscosity, but readings
above the shaded area show the normal
operating range. Readings in the shaded
area tell you that the engine
is low on oil,
or that you might have some other oil
problem. See “Engine Oil” in the Index.
91 ...

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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 gauges to see if they are in
the warning areas.
This light can come on for:
high oil temperature or low oil
pressure
high coolant temperature
high or low battery voltage
low fuel level
LOW
OIL
L
Low Oil Light
This light should come on while you are
starting your engine. If
the light doesn’t
come on, have it repaired.
If the light
comes on while starting your engine and
stays on, your engine oil level may be too
low. You may need to add oil. See
“Engine Oil” in the Index.
LOW
COOLANT
Low Coolant Light
This light comes on when the coolant in
the system is low. You may need to add
coolant. See “Engine Coolant” in the
Index.
NOTICE:
Driving with the “LOW COOLANT”
light on could cause your Corvette to
overheat. See “Engine Overheating”
in the Index. Your Corvette could be
damaged, and it wouldn’t be covered
by your warranty.
93 ...

Downloaded from www.Manualslib.com manuals search engine begin to check traffic. Try to determine
where you expect to blend with the flow.
Try to merge into the gap
at close to the
prevailing speed. Switch on your turn
signal, check your mirrors and glance
over your shoulder as often as necessary.
Try to blend smoothly with the traffic
flow.
Once you are on the freeway, adjust your
speed to the posted limit or to the
prevailing rate if it’s slower. Stay in the
right lane unless you want to pass.
Before changing lanes, check your
mirrors. Then use your turn signal. Just
before you leave the lane, glance quickly
over your shoulder to make sure there
isn’t another vehicle in your “blind” spot.
Once you are moving on the freeway,
make certain you allow a reasonable
following distance. Expect to move
slightly slower at night.
When you want to leave the freeway,
move to the proper lane well
in advance.
If you miss your exit do not, under any
circumstances, stop and back up. Drive on
to the next exit.
The exit ramp can be curved, sometimes
quite sharply. The exit speed is usually
posted. Reduce your speed according to your speedometer, not
to your sense of
motion. After driving for any distance at
higher speeds, you may tend to think you
are going slower than you actually are.
Before Leaving on a Long Trip
Make sure you’re ready. Try to be well
rested. If you must start when you’re not
fresh
- such as after a day’s work -
don’t plan to ,make too many miles that
first part
of the journey. Wear comfortable
clothing and shoes you can easily drive
in.
Is your vehicle ready for a long trip? If
you keep it serviced and maintained, it’s
ready to go. If it needs service, have it
done before starting out. Of course, you’ll
find experienced and able service experts
in Chevrolet dealerships all across North
America. They’ll be ready and willing to
help if you need
it.
Here are some things you can check
before a trip:
Windshield Washer Fluid: Is the
reservoir full? Are all windows clean
inside and outside?
0 Wiper Blades: Are they in good
shape?
0
0
Fuel, Engine Oil, Other Fluids:
Have you checked all levels?
Lights: Are they all working? Are the
lenses clean?
Tires: They are vitally important to a
safe, trouble-free trip.
Is the wead
good enough for long-distance
driving? Are the tires all inflated to
the recommended pressure?
Weather Forecasts: What’s the
weather outlook along your route?
Should you delay your trip
a short
time to avoid a major storm system?
Maps: Do you have up-to-date maps?
Highway Hypnosis
Is there actually such a condition as
“highway hypnosis”? Or is it jugt plain
falling asleep at the wheel? Call it
highway hypnosis, lack of awareness, or
whatever.
There is something about an easy stretch
of road with the same scenery, along with
the hum of the tires on the road, the drone
of the engine, and the rush of the wind
against the vehicle that can make you
sleepy. Don’t let it happen to you! If it
does, your vehicle can leave the road in
less than a second, and you could crash
and be injured.
135

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Inflation - Tire Pressure
The Tire-Loading Information label which is on the driver’s door shows the correct
inflation pressures for your tires, when they’re cold. “Cold” means your vehicle has
been sitting for at least three hours or driven no more than a mile.
For competitive driving or high-speed driving (over
150 mph or 240 krn/h), make
sure your tires are inflated to
35 psi (240 kPa). When you end this type of driving,
reduce the “cold” inflation pressures (if necessary) to those listed
on the
Tire-Loading Information label.
NOTICE:
Don’t let anyone tell you that underinflation or overinflation is all right. It’s not.
If your tires don’t have enough air (underinflation) you can get:
0 Too much flexing
0 Too much heat
0 Tire overloading
0 Bad wear
0 Bad handling
Bad fuel economy.
If your tires have too much air (overinflation), you can get:
Unusual wear
Bad handling
0 Rough ride
Needless damage from road hazards.
When to Check: Check your tires
mce
a month or more. Don’t forget
your compact spare tire. It should be at
50 psi (420 Wa).
How to Check: Use a good quality
pocket-type gauge to check tire
pressure. Simply looking at the tires
will not tell you the pressure,
=specially if you have radial tires
-
which may look properly inflated even
if they’re underinflated.
Lf your tires have valve caps, be sure to
put them back on. They help prevent
leaks by keeping out dirt and moisture.
Tire Rotation
I’he tires on your Corvette are
lirectional, asymmetrical, and are
different sizes front to rear. Due to this,
your tires should not be rotated. Each
tire and wheel should be used only in
the position it is in.
. . .206

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NO. SERVICE
Index. This provides proper
freeze and boil protection,
corrosion inhibitor level and
maintains proper engine
operating temperature.
Inspect hoses and replace if
they are cracked, swollen or
deteriorated. Tighten screw-type
hose clamps. Clean the outside of
the radiator and air conditioning
condenser. Wash the pressure cap
and neck.
To help ensure proper operation,
we recommend a pressure test of
both the cooling system and the
pressure cap.
5 Transmission Service - For
manual transmissions, fluid
doesn’t require changing. See
“Periodic Maintenance
Inspection.”
For automatic transmissions,
change both the fluid and filter
every
15,000 miles (25 000 km)
ITEM
NO. SERVICE
if the vehicle is mainly driven
under one or more of these
conditions:
In heavy city traffic where the
outside temperature regularly
reaches
90 OF (32 O C) or
higher.
In hilly or mountainous
terrain.
Uses such as found in taxi,
police car or delivery service.
If you do not use your vehicle
under any of these conditions,
change both
the fluid and
filter every
100,000 miles
(1 66 000 km).
Replace spark plugs with the
proper type. See “Replacement
Parts” in the Index.
6 Spark Plug Replacement* -
7 Spark Plug Wire Inspection*? -
Inspect for burns, cracks or other
damage. Check the boot fit at the
coils and at the spark plugs.
Replace wires as needed.
ITEM
NO. SERVICE
8 Air Cleaner Filter Replacement*-
Replace every
30,000 miles
(50 000 km) or more often under
dusty conditions. Ask your dealer
for the ’proper replacement inter-
vals for your driving conditions.
Inspection*?
- Inspect fuel tank,
cap and lines (including fuel rails
and injection assembly) for
damage or leaks. Inspect fuel cap
gasket for an even filler neck
imprint or any damage. Replace
parts as needed. Periodic replace-
ment of the fuel filter is not
required.
9 Fuel Tank. Cap and Lines
* An Emission Control Service.
t The U.S. Environmental Protection Agency
or the California Air Resources Board has
determined that the failure to perform this
maintenance item will not nullify the emission
warranty or limit recall liability prior to the
completion
of vehicle useful life. General
Motors, however, urges that all recommended
maintenance services be performed at the
indicated intervals and the maintenance be
recorded in “Section
E: Maintenance Record.”
I -I
237. . .

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Section B: Owner Checks and Services
isted below are owner checks and services which should be performed at the intervals specified to help ensure the safety,
ependability and emission control performance of your vehicle. Be sure any necessary repairs are completed at once.
Vhenever any fluids or lubricants are added
to your vehicle, make sure they are the proper ones, as shown in Section D.
If Each Fuel Fill (/t is important for you or a service station attendant to perform these underhood checks at each fuel fill.)
i CHECK
OR SERVICE I WHAT TO DO
Engine Oil Level
Check the windshield washer fluid level in the windshield washer
tank and add the proper fluid if
Windshield Washer Check
the engine coolant level and add the proper coolant mix if necessary. See “Coolant” in
Engine Coolant Level Check the
engine oil level and add the proper oil if necessary. See “Engine Oil” in the Index for
Fluid Level necessary.
See “Windshield Washer Fluid” in the Index for further details.
further details.
the
Index for further details.
It Least Once a Month
CHECK
OR SERVICE
Tire Inflation
Cassette Deck
WHAT TO DO
Check tire inflation. Make sure they are inflated to the pressures specified on the Tire-Loading
Information label located on the rear edge
of the driver’s door. See “Tires” in the Index for
further details.
Clean cassette deck. Cleaning should be done every
15 hours of tape play. See “Audio Systems”
in the Index for further details.
. .238

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Engine Running
.................. 58. 59
Starting Your
................. 47
andthe
..................... 230
Extended Mobility Tires
......... 205
Extender. Safety Belt
............. 33
Fabric Protection
.............. 21 1
Fan Control Buttons
............. 106
Features and Controls ............ 35
Fiberglass Springs
.............. 2 16
Filling Your Tank
............... 174
Finish Care (Paint)
.............. 214
Finish Damage (Paint)
........... 2 15
Flashers. Hazard Warning
........ 142
Flat Tire. Changing a ............ 159
Flat Tire. Storing a
.......... 167. 168
Flat. If a Tire Goes
.............. 159
Fluid
Automatic Transmission
....... 184
Manual Transmission
.......... 186
Power Steering
............... 191
Recommended
............... 244
Windshield Washer
........... 192
Fog Lights
..................... 68
Foreign Countries. Fuels in
....... 174
Foreign Material Paint Damage
.... 21 5
Forward Lamp Fuse Block ........ 222
Freeway Driving
............... 134
... 264
Environment. Your Vehicle
Exhaust. Engine
................. 59 Front
Map Lights
................... 68
Seat. Manual
................. 12
Towing Hook-ups
............. 148
Fuel
......................... 173
Fuels in Foreign Countries
........ 174
Fuse Block FuelGage
...................... 83
ECM Engine
................. 222
Forward Lamp
............... 222
Instrument Panel
............. 220
Fuses and Circuit Breakers
..... 219
Gasolines for Cleaner Air
....... 173
Gauges Engine Coolant Temperature
..... 89
Engine Oil Pressure
............ 91
Engine Oil Temperature
......... 92
Fuel
........................ 83
Readings. Numeric
............. 83
Warning Lights and Indicators
.... 82
Glass ......................... 213
GM Participation in BBB Auto Line
-
Markings .................... 82
Alternative Dispute Resolution
Program
.................. 253
Halogen Bulbs
............... 195
Hardtop. Cleaning and Storage of
. . 215
Hardtop. Convertible
............ 100
Hatch Release. Remote ........... 41 Hazard Warning Flashers
......... 142
Headlights
..................... 67
Headlight Doors
................. 67
Headlight High/Low Beam
........ 62
Heater. Engine Coolant (Block)
..... 50
Heating ....................... 107
Highway Hypnosis
.............. 135
Hill and Mountain Roads ......... 136
Hood Release
.................. 175
Hood. Checking Things under the
. . 175
Hook.Ups. Front Towing
......... 148
Hook.Ups. Rear Towing
......... 149
Horn
.......................... 60
How to Add Coolant to the
Coolant Recovery Tank
........ 153
How To Add Coolant to the
Coolant High Fill Reservoir
............. 154. 157
Hydraulic Clutch
............... 187
Hydroplaning
.................. 133
Hypnosis. Highway
............. 135
Identification Number. Vehicle
.... 218
Idling. Rovgh
...... : ............ 50
If a Tire Goes Flat .............. 159
If You’re Stuck: In Sand. Mud. Ice or Snow
.................... 169
Ignition Switch
.................. 46
Inflation
- Tire Pressure .......... 206
Inside Daymight Rearview
Mirror
....................... 69

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Battery
The Delco Freedoms battery needs
no water.
See Page 195
r
Cold Tire Pressure
See Tire-Loading Information
driver’s door.
See Page 206
label on inside edge of
Fuel,
Use unleaded gas only,
91 octane or higher.
See Page 173
I
i
tank
by using the dipstick. Add coolant only at
the coolant fill reservoir. The fluid should
be at or a little above the “HOT” mark
on
the dipstick when the engine is warm. If
the engine is cool, the level should be at
“COLD” on the dipstick. See Page 188
‘Engine Oil Dipstick and Fill Cap
‘Windshield Washer Fluid
See Page 178
See Page 192
1. Special Wheel Nut Socket and
f Wheel Lock Key
See Page 160
0 Spare Tire Pressure
See Tire-Loading Information
label
on inside edge of
driver’s door. See Page 206