2005 Hyundai Sonata check engine

2
DRIVING YOUR HYUNDAI
19
C190B01S-AATTrailer HitchesSelect the proper hitch and ball combination,
making sure that its location is compatible with
that of the trailer or vehicle being towed.
Use a quality non-equalizing hitch which distrib-
utes the tongue load uniformly throughout the
chassis.
The hitch should be bolted securely to the car
and installed by a qualified technician. DO NOT
USE A HITCH DESIGNED FOR TEMPORARY
INSTALLATION AND NEVER USE ONE THAT
ATTACHES ONLY TO THE BUMPER.C190C01Y-AATTrailer BrakesIf your trailer is equipped with a braking system,
make sure it conforms to federal and/or local
regulations and that it is properly installed and
operating correctly.NOTE:If you tow a trailer or vehicle, your car will
require more frequent maintenance due to
the additional load. See Maintenance Under
Severe Usage Conditions" on page 5-6.
TRAILER OR VEHICLE TOWING!
C190A01S-AATIf you are considering towing with your car, you
should first check with your State's Department
of Motor Vehicles to determine their legal re-
quirements.
Since laws vary from State to State the require-
ments for towing trailers, cars, or other types of
vehicles or apparatus may differ. Ask your
Hyundai dealer for further details before towing.
CAUTION:
Do not do any towing with your car during
its first 1,200 miles (2,000 km) in order to
allow the engine to properly break in. Fail-
ure to heed this caution may result in seri-
ous engine or transaxle damage.
USE OF LIGHTSC180A01A-AATCheck your lights regularly for correct opera-
tion and always keep them clean. When driving
during the day in conditions of poor visibility, it
is helpful to drive with headlights on low beam.
This enables you to be seen as well as to see.

2
DRIVING YOUR HYUNDAI
20
C190D01S-AATSafety ChainsShould the hitch connection between your car
and the trailer or vehicle you are towing fail, the
trailer or vehicle could wander dangerously
across other lanes of traffic and ultimately leave
the roadway. To eliminate this potentially dan-
gerous situation, safety chains, attached be-
tween your car and the trailer or towed vehicle,
are required in most states.
CAUTION:
o Never connect a trailer brake system
directly to the vehicle brake system.
o When towing a trailer on steep grades (in
excess of 12%) pay close attention to the
engine coolant temperature gauge to
ensure the engine does not overheat. If
the needle of the coolant temperature
gauge moves across the dial towards
"H" (HOT), pull over and stop as soon as
it is safe to do so, and allow the engine
to idle until it cools down. You may
proceed once the engine has cooled
sufficiently.
!
C190E02JM
Gross Axle WeightGross Vehicle
Weight
2. The total gross vehicle weight with trailer
must not exceed the Gross Vehicle
Weight Rating (GVWR) shown on the
vehicle identification plate (see page 8-
2). The total gross vehicle weight is the
combined weight of the vehicle, driver,
all passengers and their luggage, cargo,
hitch, trailer tongue load and other op-
tional equipment.
C190E01NF-AATTrailer Weight Limit
Tongue Load Total Trailer Weight
o Keep the tongue load 10% of the total trailer
load.
o Tongue load
o Tongue loads can be increased or de-
creased by re-distributing the load in the
trailer.
This can be verified by checking the total
weight of the loaded trailer and then checking
the load on the tongue.
C190E01JM
x 100 = 10% (MAX)
Total trailer weight
NOTE:1. Never load the trailer with more weight in
the back than in the front. About 60% of
the trailer load should be in the front half
on the trailer and the remaining 40% in
the rear.

2
DRIVING YOUR HYUNDAI
21
C190F01Y-GATTrailer or Vehicle Towing Tips1. Before towing, check hitch and safety chain
connections as well as proper operation of
the trailer running lights, brake lights, and
turn signals.
2. Always drive your vehicle at a moderate
speed. (Less than 60 mph)
3. Trailer towing requires more fuel than normal
conditions.
4. To maintain engine braking efficiency and
electrical charging performance, do not tow
a trailer with the transaxle in fifth gear (manual
transaxle).
5. Always secure items in the trailer to prevent
load shift while driving.
6. Check the condition and air pressure of all
tires on the trailer and your car. Low tire
pressure can seriously affect the handling.
Also check the spare tire.
7. The vehicle/trailer combination is more af-
fected by crosswind and buffeting.
When being passed by a large vehicle, keep
a constant speed and steer straight ahead.
If there is too much wind buffeting, slow down
to get out of the other vehicle's air turbulence.
!
lbs(kg)
!
Tongue
200 (90)
- With3.3L
Brake 2.4L
Without BrakeMaximum Towable Weight
Trailer
2000 (900)
1500 (675)
1000 (450)
CAUTION:
The following specifications are recom-
mended when towing a trailer. The loaded
trailer weight cannot safely exceed the val-
ues in the chart below.
WARNING:
o Improperly loading your vehicle and
trailer can seriously affect its steering
and braking performance causing a
crash which could cause serious injury
or death.
o Towing a trailer affects vehicle handling
and braking.
o Drive more slowly when towing a trailer
and allow more distance when braking.
o Be careful when driving in slippery and
windy conditions.
o Be careful when turning and while driv-
ing up and down hills. 3. The front or rear axle weight must not
exceed the Gross Axle Weight Rating
(GAWR) shown on the vehicle identifi-
cation plate (see page 8-2). It is possible
that your towing package does not ex-
ceed the GVWR but exceeds the GAWR.
Improper trailer loading and/or too much
luggage in the trunk can overload the
rear axle. Redistribute the load and check
the axle weight again.

2
DRIVING YOUR HYUNDAI
22
8. When parking your car and trailer, especially
on a hill, be sure to follow all the normal
precautions. Turn your front wheel into the
curb, set the parking brake firmly, and put the
transaxle in 1st or Reverse (manual) or Park
(automatic). In addition, place wheel chocks
at each of the trailer's tires.
9. If the trailer has electric brakes, start your
vehicle and trailer moving, and then apply the
trailer brake controller by hand to be sure the
brakes are working. This lets you check
your electrical connection at the same time.
10.During your trip, check occasionally to be
sure that the load is secure, and that the
lights and any trailer brakes are still working.
11.Avoid jerky starts, sudden acceleration or
sudden stops.
12.Avoid sharp turns and rapid lane changes.
13.Avoid holding the brake pedal down too long
or too frequently. This could cause the brakes
to overheat, resulting in reduced braking
efficiency.
14.When going down a hill, shift into a lower gear
and use the engine braking effect.
When ascending a long grade, downshift the
transaxle to a lower gear and reduce speed
to reduce chances of engine overloading
and/or overheating.
CAUTION:
If overheating should occur when towing,
(the temperature gauge reads near red zone),
taking the following action may reduce or
eliminate the problem.
1. Turn off the air conditioner.
2. Reduce highway speed.
3. Select a lower gear when going uphill.
4. While in stop and go traffic, place the
gear selector in park or neutral and idle
the engine at a higher speed.
!
VEHICLE LOAD LIMITC190F01JM-AATTire and Loading Information Label
I030A03NF-A
The tire label located on the driver's
side of the center pillar outer panel
gives the original tire size, cold tire
pressures recommended for your ve-
15.If you have to stop while going uphill, do not
hold the vehicle in place by pressing on the
accelerator. This can cause the automatic
transaxle to overheat. Use the parking brake
or footbrake.NOTE:When towing check transaxle fluid more
frequently.
I030A04NF-A

32WHAT TO DO IN AN EMERGENCY
IF THE ENGINE WILL NOT START!
D010A01A-AAT D010B02A-AAT
If Engine Doesn't Turn Over or Turns
Over Slowly
D010C02Y-AATIf Engine Turns Over Normally but Does
Not Start1. Check fuel level.
2. With the key in the "OFF" position, check all
connectors at ignition, coil and spark plugs.
Reconnect any that may be disconnected or
loose.
3. Check the fuel line in the engine compart-
ment.
4. If the engine still does not start, call a Hyundai
dealer or seek other qualified assistance.D010D01A-AATIf Engine Stalls While Driving1. Reduce your speed gradually, keeping a
straight line. Move cautiously off the road to
a safe place.
2. Turn on your emergency flashers.
3. Try to start the engine again. If your vehicle
will not start, contact a Hyundai dealer or
seek other qualified assistance.
WARNING:
If the engine will not start, do not push or
pull the car to start it. This could result in a
collision or cause other damage. In addi-
tion, push or pull starting may cause the
catalytic converter to be overloaded and
create a fire hazard.
1. If your car has an automatic transaxle, be
sure the gear selector lever is in "N" or "P"
and the emergency brake is set.
2. Check the battery connections to be sure
they are clean and tight.
3. Turn on the interior light. If the light dims or
goes out when you operate the starter, the
battery is discharged.
4. Check the starter connections to be sure
they are securely tightened.
5. Do not push or pull the vehicle to start it. See
instructions for "Jump Starting".
HNF5017

3
WHAT TO DO IN AN EMERGENCY
3
JUMP STARTING!
o If you should accidentally get acid on your
skin or in your eyes, immediately remove
any contaminated clothing and flush the area
with clean water for at least 15 minutes. Then
promptly obtain medical attention. If you
must be transported to an emergency facil-
ity, continue to apply water to the affected
area with a sponge or cloth.
o The gas produced by the battery during the
jump-start operation is highly explosive. Do
not smoke or allow a spark or an open flame
in the vicinity.
o The battery being used to provide the jump
start must be 12-volt. If you cannot deter-
mine that it is a 12-volt battery, do not attempt
to use it for the jump start.
o To jump start a car with a discharged battery,
follow this procedure exactly:
1. If the booster battery is installed in another
vehicle, be sure the two vehicles are not
touching.
2. Turn off all unnecessary lights and acces-
sories in both vehicles.
3. Attach the clamps of the jumper cable in the
exact location shown on the illustration. First,
attach one clamp of the jumper cable to the
positive (+) post or cable of the discharged
battery.Then attach the other end of the same cable
to the positive (+) post or cable of the booster
battery. Next, using the other cable, attach
one clamp to the negative (-) post or cable
of the booster battery. Then attach the other
end of that cable to a solid metal part of the
engine of the vehicle with the discharged
battery away from the battery. Do not con-
nect the cable to any moving part.
4. Start the engine in the car with the booster
battery and let it run for a few minutes. This
will help to assure that the booster battery is
fully charged. During the jumping operation,
run the engine in this vehicle at about 2,000
rpm.
5. Start the engine in the car with the dis-
charged battery using the normal starting
procedure. After the engine starts, leave the
jumper cables connected and let the engine
run at fast idle or about 2,000 rpm for several
minutes.
6. Carefully remove the jumper cables in the
reverse order of attachment.
If you do not know why your battery became
discharged (because the lights were left on,
etc.), have the charging system checked by
your Hyundai dealer.
D020A03A-AAT
WARNING:
The gas produced by the battery during the
jump-start operation is highly explosive. If
these instructions are not followed exactly,
serious personal injury and damage to the
vehicle may occur! If you are not sure how
to follow this procedure, seek qualified
assistance. Automobile batteries contain
sulfuric acid. This is poisonous and highly
corrosive. When jump starting, wear pro-
tective glasses and be careful not to get
acid on yourself, your clothing or on the car.
HNF4001
Booster
batteryDischarged
battery

34WHAT TO DO IN AN EMERGENCY
IF THE ENGINE OVERHEATS
!!
!
WARNING:
While the engine is running, keep hair,
hands and clothing away from moving parts
such as the fan and drive belts to prevent
injury.
5. If the water pump drive belt is broken or
engine coolant is leaking out, stop the engine
immediately and call the nearest Hyundai
dealer for assistance.
WARNING:
Do not remove the radiator cap when the
engine is hot. This can allow coolant to be
blown out of the opening and cause seri-
ous burns.6. If you cannot find the cause of the overheat-
ing, wait until the engine temperature has
returned to normal. Then, if coolant has been
lost, carefully add coolant to the reservoir
(page 6-9) to bring the fluid level in the
reservoir up to the halfway mark.
7. Proceed with caution, keeping alert for fur-
ther signs of overheating. If overheating
happens again, call a Hyundai dealer for
assistance.
CAUTION:
Serious loss of coolant indicates there is a
leak in the cooling system and this should
be checked as soon as possible by a Hyundai
dealer.
D030A02A-AATIf your temperature gauge indicates overheat-
ing, you experience a loss of power, or hear loud
pinging or knocking, the engine is probably too
hot. If this happens, you should:
1. Pull off the road and stop as soon as it is safe
to do so.
2. Place the gear selector lever in "P" (auto-
matic) or neutral (manual transaxle) and set
the parking brake. If the air conditioning is on,
turn it off.
3. If engine coolant is running out under the car
or steam is coming out from the hood, stop
the engine. Do not open the hood until the
coolant has stopped running or the steaming
has stopped. If there is no visible loss of
engine coolant and no steam, leave the
engine running and check to be sure the
engine cooling fan is operating. If the fan is
not running, turn the engine off.
4. Check to see if the water pump drive belt is
missing. If it is not missing, check to see that
it is tight. If the drive belt seems to be
satisfactory, check for coolant leaking from
the radiator, hoses or under the car. (If the
air conditioning had been in use, it is normal
for cold water to be draining from it when you
stop).

3
WHAT TO DO IN AN EMERGENCY
11
it is correct. Always reinstall the valve
cap after checking or adjusting tire
pressure. If the cap is not replaced, air
may leak from the tire. If you lose a
valve cap, buy another and install it as
soon as possible.
After you have changed wheels, al-
ways secure the flat tire in its place and
return the jack and tools to their proper
storage locations.
IF YOUR VEHICLE MUST BE
TOWEDD080A01O-GATIf your vehicle has to be towed, it should be done
by your Hyundai dealer or a commercial tow
truck service. This will help assure that your
vehicle is not damaged in towing. Also, profes-
sionals are generally aware of local laws gov-
erning towing. In any case, rather than risk
damage to your car, it is suggested that you
show this information to the tow truck operator.
Be sure that a safety chain system is used and
that all local laws are observed.
It is recommended that your vehicle be towed
with a wheel lift and dollies or flatbed equipment
with all the wheels off the ground.
!
CAUTION:
o Your vehicle can be damaged if towed
incorrectly!
o Be sure the transaxle is in neutral.
o When the engine will not start, be sure
the steering is unlocked by placing the
key in the "ACC" position.
D080B01O-GATTowing the Vehicle
HNF4015
Your vehicle can be towed by wheel lift type
truck (1), (2) or flatbed equipment (3).1)
2)
3)
dolly