
FUEL REQUIREMENTS
3.6L Engine
This engine is designed to meet all emis-
sions regulations and provide optimum
fuel economy and performance when
using high quality unleaded “Regular”
gasoline having a posted octane number
of 87 as specified by the (R+M)/2
method. The use of higher octane “Pre-
mium” gasoline is not required, as it will not provide any
benefit over “Regular” gasoline in these engines.
While operating on gasoline with an octane number of 87,
hearing a light knocking sound from the engine is not a
cause for concern. However, if the engine is heard making
a heavy knocking sound, see your dealer immediately. Use
of gasoline with an octane number lower than 87 can cause
engine failure and may void or not be covered by the New
Vehicle Limited Warranty.
Poor quality gasoline can cause problems such as hard
starting, stalling, and hesitations. If you experience these
symptoms, try another brand of gasoline before consider-
ing service for the vehicle.
Reformulated Gasoline
Many areas of the country require the use of cleaner
burning gasoline referred to as “Reformulated Gasoline”.
Reformulated gasoline contains oxygenates and are specifi-
cally blended to reduce vehicle emissions and improve air
quality.
The use of reformulated gasoline is recommended. Prop-
erly blended reformulated gasoline will provide improved
performance and durability of engine and fuel system
components.
Gasoline/Oxygenate Blends
Some fuel suppliers blend unleaded gasoline with oxygen-
ates such as ethanol.
CAUTION!
DO NOT use gasoline containing methanol or gasoline
containing more than 15% ethanol (E-15). Use of these
blends may result in starting and drivability problems,
damage critical fuel system components, cause emis-
sions to exceed the applicable standard, and/or cause
the “Malfunction Indicator Light” to illuminate. Please
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5
STARTING AND OPERATING 399 

CAUTION!(Continued)
observe pump labels as they should clearly communi-
cate if a fuel contains greater than 15% ethanol (E-15).
Problems that result from using gasoline containing more
than 15% ethanol (E-15) or gasoline containing methanol
are not the responsibility of the manufacturer and may
void or not be covered under New Vehicle Limited War-
ranty.
Modifications that allow the engine to run on compressed
natural gas (CNG) or liquid propane (LP) may result in
damage to the engine, emissions, and fuel system compo-
nents. Problems that result from running CNG or LP are
not the responsibility of the manufacturer and many void
or not be covered under the New Vehicle Limited War-
ranty.
E-85 Usage In Non-Flex Fuel Vehicles
Non-Flex Fuel Vehicles (FFV) are compatible with gasoline
containing up to 15% ethanol (E-15). Gasoline with higher
ethanol content may void the New Vehicle Limited War-
ranty.
If a Non-FFV vehicle is inadvertently fueled with E-85 fuel,
the engine will have some or all of these symptoms: •
Operate in a lean mode.
• OBD II “Malfunction Indicator Light” on.
• Poor engine performance.
• Poor cold start and cold drivability.
• Increased risk for fuel system component corrosion.
CNG And LP Fuel System Modifications
Modifications that allow the engine to run on compressed
natural gas (CNG) or liquid propane (LP) may result in
damage to the engine, emissions, and fuel system compo-
nents. Problems that result from running CNG or LP are
not the responsibility of the manufacturer and may void or
not be covered under the New Vehicle Limited Warranty.
MMT In Gasoline
Methylcyclopentadienyl Manganese Tricarbonyl (MMT) is
a manganese-containing metallic additive that is blended
into some gasoline to increase octane. Gasoline blended
with MMT provides no performance advantage beyond
gasoline of the same octane number without MMT. Gaso-
line blended with MMT reduces spark plug life and
reduces emissions system performance in some vehicles.
The manufacturer recommends that gasoline without
MMT be used in your vehicle. The MMT content of
400 STARTING AND OPERATING 

gasoline may not be indicated on the gasoline pump,
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
Besides using unleaded gasoline with the proper octane
rating, gasolines that contain detergents, corrosion and
stability additives are recommended. Using gasolines that
have these additives will help improve fuel economy,
reduce emissions, and maintain vehicle performance.Designated TOP TIER Detergent Gaso-
line contains a higher level of detergents
to further aide in minimizing engine
and fuel system deposits. When avail-
able, the usage of Top Tier Detergent
gasoline is recommended. Visit
www.toptiergas.com for a list of TOP
TIER Detergent Gasoline Retailers.
Indiscriminate use of fuel system cleaning agents should be
avoided. Many of these materials intended for gum and
varnish removal may contain active solvents or similar
ingredients. These can harm fuel system gasket and dia-
phragm materials.
Fuel System Cautions
CAUTION!
Follow these guidelines to maintain your vehicle’s
performance:
• The use of leaded gasoline 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 service.
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 metha-
nol. Fuel system damage or vehicle performance
problems resulting from the use of such fuels or
additives is not the responsibility of the manufac-
turer and may void or not be covered under the New
Vehicle Limited Warranty.
5
STARTING AND OPERATING 401 

WARNING!(Continued)
materials lit or products that can cause spark in or near
the vehicle when removing the fuel filler tube cap (gas
cap) or filling the tank. Do not use E-85 as a cleaning
agent and never use it near an open flame.
Fuel Requirements
If your vehicle is E-85 compatible, it will operate on
unleaded gasoline with any octane rating, or solely E-85
fuel, or any mixture of these fuels.
For best results, avoid fueling patterns alternating be-
tween E-85 and unleaded gasoline.
When switching fuel types:
•Add 5 gallons (19 liters) or more when refueling.
• Drive the vehicle immediately after refueling for at least
5 miles (8 km).
Observing these precautions will avoid possible hard start-
ing and/or driveability problems during warm up. NOTE:
•
Use seasonally adjusted E-85 fuel (ASTM D5798). With
non-seasonally adjusted E-85 fuel, hard starting and
rough idle following start up may be experienced even if
the above recommendations are followed, especially
when the ambient temperature is below 32°F (0°C).
• Some additives used in regular gasoline are not fully
compatible with E-85 and may form deposits in your
engine. To eliminate driveability issues that may be
caused by these deposits, a supplemental gasoline addi-
tive, such as MOPAR Injector Cleanup or Techron may
be used.
Selection Of Engine Oil For Flexible Fuel Vehicles
(E-85) And Gasoline Vehicles
FFV vehicles operated on E-85 require specially formulated
engine oils. These special requirements are included in
MOPAR engine oils, and in equivalent oils meeting FCA
Material Standard MS-6395. It is recommended that engine
oils that are API Certified and meet the requirements of
Material Standard MS-6395 be used. MS-6395 contains
additional requirements, developed during extensive fleet
testing, to provide additional protection to FCA US LLC
engines.
5
STARTING AND OPERATING 403 

FLUIDS, LUBRICANTS, AND GENUINE PARTS
Engine
ComponentFluid, Lubricant, or Genuine Part
Engine Coolant We recommend you use MOPAR Antifreeze/Coolant 10 Year/150,000 Mile Formula OAT
(Organic Additive Technology) meeting the requirements of FCA Material Standard
MS.90032.
Engine Oil We recommend you use API Certified SAE 5W-20 Engine Oil, meeting the requirements
of FCA Material Standard MS-6395 such as MOPAR, Pennzoil, and Shell Helix. Refer to
your engine oil filler cap for correct SAE grade.
Engine Oil Filter We recommend you use MOPAR Engine Oil Filters.
Spark Plugs We recommend you use MOPAR Spark Plugs.
Fuel Selection – 3.6L Engine 87 Octane, 0-15% Ethanol.
Fuel Selection – 3.6L Flex
Fuel (E-85) Engine 87 Octane, Up to 85% Ethanol.
496 MAINTAINING YOUR VEHICLE 

Cooling System..........................472
Power Steering ..........................356
Fluids, Lubricants And Genuine Parts ............496
Fog Lights ............................174, 493
Fog Light Service .......................... .493
Fold in Floor (Stow 	N Go) Seating..............151
Freeing A Stuck Vehicle ..................... .451
Fuel ................................... .399
Adding ...............................404
Additives ............................. .401
Clean Air ............................. .399
Conserving ............................ .264
Economy Mode ..........................346
Ethanol ............................399, 402
Filler Cap (Gas Cap) ..................... .404
Gasoline ...............................399
Light .................................251
Materials Added ........................ .401
Methanol ............................. .399
Octane Rating ........................399, 496
Requirements ........................399, 495
Saver Mode ............................264
Tank Capacity .......................... .495
Fuel, Flexible ............................. .402
Fueling ................................. .404Fuel Optimizer
............................264
Fuel Saver............................... .264
Fuses .................................. .485
Garage Door Opener (HomeLink) ............197, 202
Gas Cap (Fuel Filler Cap) ..............404, 406, 461
Gasoline, Clean Air ........................ .399
Gasoline (Fuel) ............................399
Conserving ............................ .264
Gasoline, Reformulated ..................... .399
Gear Ranges ............................. .348
Gear
Select Lever Override ....................452
General Information ........................ .136
Glass Cleaning ............................483
Gross Axle Weight Rating .................407, 409
Gross Vehicle Weight Rating ...............407, 409
GVWR ................................. .407
Hazard Driving Through Flowing, Rising, Or Shallow Standing
Water .................................354
Hazard Warning Flasher ..................... .422
Headlights Bulb Replacement ........................492
Cleaning ...............................483
10
INDEX 517 

Door..................................26
Lubrication, Body ..........................470
Luggage Rack (Roof Rack) ....................225
Lug Nuts ............................... .431
Maintenance Free Battery .....................468
Maintenance Procedures ..................... .463
Maintenance Schedule .......................500
Malfunction Indicator Light (Check Engine) . . . .252, 461
Manual, Service ............................510
Map/Reading Lights ........................194
Memory Feature (Memory Seat) ................167
Memory Seat ..........................104, 167
Methanol ............................... .399
Mini-Trip Computer ........................ .265
Mirrors ................................. .102
Automatic Dimming ..................... .102
Electric Remote ..........................104
Exterior Folding ........................ .103
Heated ............................... .104
Memory ...............................167
Outside ...............................103
Rearview ............................. .102
Vanity ............................... .105Mode
Fuel Saver ............................ .264
Modifications/Alterations, Vehicle ................6
Monitor, Tire Pressure System ..................391
MOPAR Parts ..........................462, 509
MTBE/ETBE ............................. .399
Multi-Function Control Lever ..................176
New Vehicle Break-In Period ...................92
Occupant Restraints .........................41
Octane Rating, Gasoline (Fuel) .................399
Oil, Engine ............................463, 496
Capacity ...............................495
Change Interval ........................ .464
Checking ............................. .463
Disposal ...............................465
Filter ............................. .465,496
Filter
Disposal .......................... .465
Identification Logo .......................464
Materials Added To .......................465
Pressure Warning Light ....................246
Recommendation .....................464, 495
Synthetic ............................. .465
Viscosity .......................... .464, 495
520 INDEX