engine JEEP WRANGLER 2015 JK / 3.G Manual Online

therefore, you should ask your gasoline retailer whether
the gasoline contains MMT. MMT is prohibited in Federal
and California reformulated gasoline.
Materials Added To Fuel
All gasoline sold in the United States is required to
contain effective detergent additives. Use of additional
detergents or other additives is not needed under normal
conditions and they would result in additional cost.
Therefore, you should not have to add anything to the
fuel.
Fuel System Cautions
CAUTION!
Follow these guidelines to maintain your vehicle’s
performance:
(Continued)
CAUTION!(Continued)
•The use of leaded gas is prohibited by Federal law.
Using leaded gasoline can impair engine perfor-
mance and damage the emissions control system.
•An out-of-tune engine or certain fuel or ignition
malfunctions can cause the catalytic converter to
overheat. If you notice a pungent burning odor or
some light smoke, your engine may be out of tune
or malfunctioning and may require immediate ser-
vice. Contact your authorized dealer for service
assistance.
•The use of fuel additives, which are now being
sold as octane enhancers, is not recommended.
Most of these products contain high concentrations
of methanol. Fuel system damage or vehicle perfor-
mance problems resulting from the use of such
fuels or additives is not the responsibility of the
manufacturer.
528 STARTING AND OPERATING

NOTE:Intentional tampering with the emissions control
system can result in civil penalties being assessed against
you.
Carbon Monoxide Warnings
WARNING!
Carbon monoxide (CO) in exhaust gases is deadly.
Follow the precautions below to prevent carbon
monoxide poisoning:
(Continued)
WARNING!(Continued)
•Do not inhale exhaust gases. They contain carbon
monoxide, a colorless and odorless gas, which can
kill. Never run the engine in a closed area, such as
a garage, and never sit in a parked vehicle with the
engine running for an extended period. If the
vehicle is stopped in an open area with the engine
running for more than a short period, adjust the
ventilation system to force fresh, outside air into
the vehicle.
•Guard against carbon monoxide with proper main-
tenance. Have the exhaust system inspected every
time the vehicle is raised. Have any abnormal
conditions repaired promptly. Until repaired, drive
with all side windows fully open.
5
STARTING AND OPERATING 529

WARNING!(Continued)
•Never add fuel when the engine is running. This is
in violation of most state and federal fire regula-
tions and may cause the MIL to turn on.
•A fire may result if gasoline is pumped into a
portable container that is inside of a vehicle. You
could be burned. Always place gas containers on
the ground while filling.
NOTE:
•When the fuel nozzle “clicks” or shuts off, the fuel tank
is full.
•Tighten the gas cap about 1/4 turn until you hear one
click. This is an indication that the cap is properly
tightened.
•If the gas cap is not tightened properly, the MIL will
come on. Be sure the gas cap is tightened every time
the vehicle is refueled.
Loose Fuel Filler Cap Message
After fuel has been added, the vehicle diagnostic system
can determine if the fuel filler cap is possibly loose,
improperly installed, or damaged. If the system detects a
malfunction, the “gASCAP” message will display in the
odometer display. Tighten the gas cap until a#clicking#
sound is heard. This is an indication that the gas cap is
properly tightened. Press the odometer reset button to
turn the message off. If the problem persists, the message
will appear the next time the vehicle is started. This
might indicate a damaged cap. If the problem is detected
twice in a row, the system will turn on the MIL. Resolving
the problem will turn the MIL off.
5
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Trailer Towing Weights (Maximum Trailer Weight Ratings)
The following chart provides the maximum trailer weight ratings towable for your given drivetrain.
Engine/
TransmissionAxle Model
GCWR
(Gross
Combined
Wt. Rating)
Frontal Area
Max. GTW
(Gross
Trailer Wt.)
Max. Trailer
Tongue Wt.
(See Note)
3.6L/Manual 3.21 Two–Door
Sport Model
(4WD)
6,311 lbs
(2 863 kg)
25 sq ft
(2.32 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
3.6L/Manual 3.73 Two–Door
Sport Model
(4WD)
6,311 lbs
(2 863 kg)
25 sq ft
(2.32 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
3.6L/
Automatic
3.21 Two–Door
Sport Model
(4WD)
6,340 lbs
(2 876 kg)
25 sq ft
(2.32 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
538 STARTING AND OPERATING

Engine/
TransmissionAxle Model
GCWR
(Gross
Combined
Wt. Rating)
Frontal Area
Max. GTW
(Gross
Trailer Wt.)
Max. Trailer
Tongue Wt.
(See Note)
3.6L/
Automatic
3.73 Two–Door
Sport Model
(4WD)
6,340 lbs
(2 876 kg)
25 sq ft
(2.32 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
3.6L/Manual 3.21 Two–Door
Sahara
Model
(4WD)
6,353 lbs
(2 882 kg)
25 sq ft
(2.32 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
3.6L/Manual 3.73 Two–Door
Sahara
Model
(4WD)
6,353 lbs
(2 882 kg)
25 sq ft
(2.32 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
5
STARTING AND OPERATING 539

Engine/
TransmissionAxle Model
GCWR
(Gross
Combined
Wt. Rating)
Frontal Area
Max. GTW
(Gross
Trailer Wt.)
Max. Trailer
Tongue Wt.
(See Note)
3.6L/
Automatic
3.21 Two–Door
Sahara
Model
(4WD)
6,383 lbs
(2 895 kg)
25 sq ft
(2.32 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
3.6L/
Automatic
3.73 Two–Door
Sahara
Model
(4WD)
6,383 lbs
(2 895 kg)
25 sq ft
(2.32 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
3.6L/Manual 4.10 2–Door Rubi-
con Model
(4WD)
6,443 lbs
(2 922 kg)
25 sq ft
(2.32 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
540 STARTING AND OPERATING

Engine/
TransmissionAxle Model
GCWR
(Gross
Combined
Wt. Rating)
Frontal Area
Max. GTW
(Gross
Trailer Wt.)
Max. Trailer
Tongue Wt.
(See Note)
3.6L/
Automatic
3.73 Two–Door
Rubicon
Model
(4WD)
6,473 lbs
(2 936 kg)
25 sq ft
(2.32 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
3.6L/
Automatic
4.10 Two–Door
Rubicon
Model
(4WD)
6,473 lbs
(2 936 kg)
25 sq ft
(2.32 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
3.6L/Manual 3.21 Four–Door
Sport Model
(4WD)
6,751 lbs
(3 062 kg)
32 sq ft
(2.97 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
3.6L/Manual 3.73 Four–Door
Sport Model
(4WD)
8,251 lbs
(3 743kg)
32 sq ft
(2.97 sq m)
3,500 lbs
(1 587 kg)
350 lbs
(159 kg)
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STARTING AND OPERATING 541

Engine/
TransmissionAxle Model
GCWR
(Gross
Combined
Wt. Rating)
Frontal Area
Max. GTW
(Gross
Trailer Wt.)
Max. Trailer
Tongue Wt.
(See Note)
3.6L/
Automatic
3.21 Four–Door
Sport Model
(4WD)
6,780 lbs
(3 075 kg)
32 sq ft
(2.97 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
3.6L/
Automatic
3.73 Four–Door
Sport Model
(4WD)
8,280 lbs
(3 756 kg)
32 sq ft
(2.97 sq m)
3,500 lbs
(1 587 kg)
350 lbs
(159 kg)
3.6L/Manual 3.21 Four–Door
Sahara
Model
(4WD)
6,698 lbs
(3 038 kg)
32 sq ft
(2.97 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
3.6L/Manual 3.73 Four–Door
Sahara
Model
(4WD)
8,198 lbs
(3 719 kg)
32 sq ft
(2.97 sq m)
3,500 lbs
(1 587 kg)
350 lbs
(159 kg)
542 STARTING AND OPERATING

Engine/
TransmissionAxle Model
GCWR
(Gross
Combined
Wt. Rating)
Frontal Area
Max. GTW
(Gross
Trailer Wt.)
Max. Trailer
Tongue Wt.
(See Note)
3.6L/
Automatic
3.21 Four–Door
Sahara
Model
(4WD)
6,728 lbs
(3 052 kg)
32 sq ft
(2.97 sq m)
2,000 lbs
(907 kg)
200 lbs
(91 kg)
3.6L/
Automatic
3.73 Four–Door
Sahara
Model
(4WD)
8,228 lbs
(3 732 kg)
32 sq ft
(2.97 sq m)
3,500 lbs
(1 587 kg)
350 lbs
(159 kg)
3.6L/Manual 4.10 Four–Door
Rubicon
Model
(4WD)
8,326 lbs
(3 776 kg)
32 sq ft
(2.97 sq m)
3,500 lbs
(1 587 kg)
350 lbs
(159 kg)
5
STARTING AND OPERATING 543

Engine/
TransmissionAxle Model
GCWR
(Gross
Combined
Wt. Rating)
Frontal Area
Max. GTW
(Gross
Trailer Wt.)
Max. Trailer
Tongue Wt.
(See Note)
3.6L/
Automatic
3.73 Four–Door
Rubicon
Model
(4WD)
8,355 lbs
(3 790 kg)
32 sq ft
(2.97 sq m)
3,500 lbs
(1 587 kg)
350 lbs
(159 kg)
3.6L/
Automatic
4.10 Four–Door
Rubicon
Model
(4WD)
8,355 lbs
(3 776 kg)
32 sq ft
(2.97 sq m)
3,500 lbs
(1 587 kg)
350 lbs
(159 kg)
Refer to local laws for maximum trailer towing speeds.
544 STARTING AND OPERATING