check engine BUICK SKYLARK 1993 Owner's Manual

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.
7. Transaxle Service -- Change both the fluid and
filter every
15,000 miles (25 000 km) if the vehicle
is mainly driven under one or more of these
conditions:
0 In heavy city traffic where the outside
temperature regularly reaches
90 F (32 C) or
higher.
0 In hilly or mountainous terrain.
When doing frequent trailer towing. (With some
models, you shouldn’t ever tow a trailer. See
“Towing a Trailer” in the Index.)
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 (160 000 km).
8. Spark Plug Replacement* -- Replace spark plugs
with the proper type. See “Specifications Chart” in
the Index.
9. Spark Plug Wire Inspection (3.3L Code N engine
only)*?
-- Inspect for burns, cracks or other
damage. Check the boot fit at the coils and at the
spark plugs. Replace wires as needed.
10. 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 intervals for your driving conditions.
11. Fuel Tank, Cap and Lines 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
replacement of the fuel filter is not required.
* An Emission Control Service.
The
U.S. Environmental Protection Agency 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 EMaintenance Record”.

Section €5: Owner Checks and
Services
I Listed below are owner checks and services which
should be performed at the intervals specified to help
ensure the safety, dependability and emission control
performance of your vehicle.
Be sure any necessary repairs are completed at once.
Whenever anv fluids or lubricants are added to vour
At Each Fuel Fill
(It is important for you or a service station attendant
to perform these underhood checks at each fuel
fill.)
CHECK OR
I SERVICE I WHAT TO DO
Engine Oil Check the engine oil level and add
Level the proper oil if necessary. See
“Engine
Oil“ in the Index for further .r .I
vehicle, make sure they are the proper ones, as shown in details.
Section D. Engine Coolant Check the engine coolant level in the
Level surge tank and add the proper
coolant mix
if necessary. See
“Coolant” in the Index for further
details.
Windshield Check the windshield washer fluid
Washer Fluid level in the windshield washer tank
Level and add the proper fluid
if necessary.
See “Windshield Washer Fluid” in
the Index for further details.

At Least Once A Month
CHECK OR SERVICE
Tire Inflation
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.
At Least Once A Year
CHECK OR
SERVICE
I WHAT TO DO
Key Lock
Lubricate all body door hinges. Also
Body the
lubricant specified in Section
D. Cylinders Lubricate the
key lock cylinders with
Lubrication lubricate all hinges and latches,
including those for the hood, glove
box door and console door. Section
D tells you what to use.
CHECK OR
SERVICE
Starter Switch
WHAT TO DO
kAUTION: When you are
doing this check, the vehicle
could move suddenly.
If it
does, you or others could be
injured. Follow the steps
bellow.
- 1
1. Before you start, be sure you have
enough room around the vehicle.
2. Firmly apply both the parking brake
(see “Parking Brake” in the Index if
necessary) and the regular brake.
NOTE:
Do not use the accelerator
pedal, and be ready to
turn off the
engine immediately if it starts.
3. Try to start the engine in each gear.
The starter should work only in
“P’
(Park) or “N” (Neutral). If the starter
works in any other position, your
vehicle needs service.
277

.... +,..
Maintenance Inspections
.................................. 279
Record
...................................... 282
Schedule
.................................... 265
Underbody
.................................. 255
Malfunction Indicator Lamp
....................... 1 13
Manual Lumbar Support
........................... 15
Manualseat
..................................... 14
Manual Seat. Four Way
............................ 15
Markings. Pavement
............................. 144
Master Cylinder. Brake
........................... 236
Methanol In Gasoline
............................. 217
Mirrors
........................................ 102
Mirrors. Convex Outside
.......................... 104
Mirrors. Visor Vanity
............................. 104
Mist. Driving in
................................. 164
Mountain Driving
................................ 170
MTBE in Gasoline
............................... 2 17
. Mobile Telephone. Adding a ....................... 123 Octane
Required for Your Car
..................... 217
Odometer
...................................... 108
Odometer. Trip
.................................. 108
Off (Ignition Key Position)
......................... 73
Off-Road Recovery
.............................. 156
Oil. Engine
..................................... 223
Oil Pressure Warning Light
........................ 114
Oil. Change Your Engine
.......................... 223
Operation in Foreign Countries
..................... 218
Operation
of Lights ............................... 90
Outside Mirrors ................................. 103
Overheated Engine
............................... 197
Owner Checks and Services
........................ 276
P (Park) Position ................................. 77
Paint Spotting
................................... 255
Park. Shifting Into
................................ 81
Park. Shifting Out of
........................... 77. 83
Parking Brake
.................................... 80
Parking on Hills
................................. 172
N (Neutral) Gear Position ......................... 78 Parking Over Things That Burn ...................... 84
Net. Convenience
................................ 104 Passing ........................................ 156
New Vehicle Break-In
............................. 71 Pavement Markings .............................. 144
NightDriving
................................... 159 PedalTravel. Brake .............................. 153
Night Vision
.................................... 160 Perception Time in Braking ........................ 149
Notices About Damage
............................ 11 Periodic Maintenance Inspections ................... 279
Number. Vehicle Identification
..................... 257 Polishing and Waxing ............................ 253

Power Antenna
..................................... 134
Door Locks
................................... 65
Seat Controls
................................... 16
Steering
..................................... 154
Windows
..................................... 87
Pregnancy. Use
of Safety Belts During ................ 35
Pressure. Tire
................................... 242
Problems on the Road
............................ 185
Publications. Service
............................. 288
Publications Order Form .......................... 291
Push-Starting Your Car
........................... 188
Steering
Fluid
................................ 234
Proper Safety Belt Usage for Adults
.................. 28
Racing. Shifting When Your Engine is
............... 78
Radiator Overheating
............................. 197
Radio. Adding a Two-way
......................... 123
Radio Systems
.................................. 122
Rain. Driving in
................................. 161
Reaction Time
in Braking ......................... 149
Reading Lights
.................................. 10 1
RearBrakes .................................... 153
Rear Door Security Lock
........................... 69
Rear Safety Belt Comfort Guides
.................... 40
Rear Seatbacks. Folding
............................ 20
Rear Window Defogger ........................... 121 Reclining Front Seatbacks
.......................... 16
Recommended Fluids and Lubricants
................. 281
Recovery. Off-Road
.............................. 156
Recreational Vehicle Towing
....................... 179
Remote Fuel Door Release
.......................... 219
Remote Keyless Entry System
....................... 67
Remote Trunk Release
............................. 66
Remote Trunk Release Lockout
...................... 66
Replaceable Light Bulbs
.......................... 262
Replacing Brake System Parts
...................... 237
Replacing Safety Belts
............................. 60
Replacing Tires
................................. 244
Replacing Wheels
............................... 247
Restarting Your Car When It’s Moving
................ 78
Restraint. Child
.................................. 46
Restraint Systems. Checking Your
.................... 59
Restraints. Head .................................. 18
Reverse Gear Position
............................. 78
Ride Control System. Adjustable
..................... 86
“Riding” the Brakes
.............................. 149
Roads. Hill and Mountain
......................... 170
Rocking Your Vehicle
............................ 213
Rotation. Tire
................................... 243
Run (Ignition Key Position)
......................... 73
Running Your Engine While You’re Parked
............ 85
Reporting Safety Defects
.......................... 287
Roadsigns
..................................... 138
Running Lights. Daytime
.......................... 100

Safety Belt Care ................................ 252
Safety Belt Extender
.............................. 59
Safety Belt Replacement
........................... 60
Safety Belt Warning Light
.......................... 28
Safety Belt. Automatic Lap-Shoulder
................. 29
Safety Belt. Lap
.................................. 28
Safety Belts
..................................... 21
Safety Belts. Cars First Sold in Canada
................ 29
Safety Belts. Center Adult Passenger
................. 42
Safety Belts. Loose
............................... 32
Safety Belts. Questions About
....................... 27
Safety Belts. Rear Comfort Guides
................... 40
Safety Belts. Rear Seat Passengers
................... 37
Safety Belts. Right Front. Adult Passenger
............. 36
Safety Belts. Tom
................................. 60
Safety Belts. Twisted
.............................. 35
Safety Belts. Why They Work
....................... 23
Safety Chains
................................... 182
Safety Warnings
.................................. 10
Safety Defects. Reporting ......................... 287
Schedule. Maintenance
........................... 265
Scheduled Maintenance Services
.................... 268
Seat Adjustment
............................... 14. 60
Seat Controls
.................................... 14
Seatback. Folding Rear
............................ 20
Seats and Safety Belts
............................. 13
SecondGear
..................................... 79
Securing a Child Restraint
..................... 47.50. 5 1
Safety Belts. Checking Your ........................ 59
Safety Belts. Worn Under Arm
...................... 34 Security
Lock. Rear Door
.......................... 69
Service Tips
.................................... 216
Service and Appearance Care
...................... 215
“Service Engine
Soon” Warning Light ............... 113
Service Parts Identification Label
.................... 257
Service Publications
.............................. 288
Setting the Clock
......................... 125.127. 129
Setting the Trip Odometer
......................... 108
ShapeofRoadSigns
............................. 141
Sheet Metal Damage
............................. 254
Shift. Brake-Transaxle Interlock
..................... 83
Shift Lever Positions
.............................. 77
Shifting into Park
................................. 81
Shifting out of Park
............................ 77. 83
Signaling Turns .................................. 89
Signs. Road
.................................... 138
Skidding
....................................... 158
Snow or Ice. Driving
on ........................... 176
Solvent-Type Cleaner
on Fabric .................... 249
Soundsystems
.................................. 122
SpareTire
...................................... 212
Specifications Chart
.......................... 263. 264
Speech Impaired. Customer Assistance for
............ 286
Speed Control
.................................... 93
Speedometer
.................................... 108
Stains. Removing
................................ 251
Start (Ignition Key Position)
........................ 73
Starting Your Engine
.............................. 73
Snowstorm.
If You’re Caught in a Bad
............... 177
Sound Equipment. Adding
......................... 123
301

...... a . c
Underbody Maintenance ......................... 255
Uniform Tire Quality Grading
...................... 245
Unleaded Gasoline
............................... 2 17
Uphill Parking
.................................. 173
Upholstery Care
................................. 249
Used Oil. How to Dispose
of ....................... 227
Used Replacement Wheels
......................... 248
Vehicle Damage Warnings
......................... 11
Vehicle Identification Number ...................... 257
Vehicle Storage
................................. 237
Vehicle Symbols
.................................. 12
Volts Gage
..................................... 116
Vinyl. Cleaning
................................. 251
Visor Vanity Mirror
.............................. 104
warnings Devices
.............................. 187
Warning. Hazard Flasher
.......................... 186
Warning Lights
Antilock Brake System
......................... 11 1
Battery
....................................... 116
Brakesystem
................................ 110
CheckOil
................................... 115
Engine Coolant Temperature
.................... 112
Engine Oil Pressure
............................ 114
Indicators and Gages on Instrument Panel
.......... 109
LowCoolant
................................. 113
Malfunction Indicator (Service Engine Soon)
....... 11 3
I
Warnings. Safety ................................. 10
Washer. Windshield
............................... 92
Wear Indicators. Disc Brake
....................... 152
Weather Strips
.................................. 254
Weight.of a Trailer
............................... 180
Wheel Alignment
................................ 246
Wheel Covers Removal
........................... 206
Wheel Replacement
.............................. 247
White Sidewall Tire Cleaning
...................... 254
Why Wear Safety Belts?
........................... 23
Windows. Power
................................. 87
Windshield
Cleaning
.................................... 252
Washer
..... : ................................ 92
Washer Fluid
.............................. 92. 235
Wipers
................................... 9252 1.
Winter Driving
.................................. 175
Working on Your Car
............................. 216
Worn Tires
..................................... 244
Wrecker Towing
................... ............. 193
Washing Your Vehicle
............................ 253
WheelNutTorque
............................... 211
Your Driving and the Road
....................... 137
Your Own Signals
............................... 144
Your Vehicle and the Environment
.................. 267