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Octane Recommendations
3.5L and 3.7L V6 engines
Regular unleaded gasoline with a pump (R+M)/2 octane rating of 87 is
recommended. Some stations offer fuels posted as Regular with an
octane rating below 87, particularly in high altitude areas. Do not use
fuels with a posted octane rating below 87.
offer fuels posted as Regular with an octane rating below 87, particularly
in high altitude areas. Fuels with octane levels below 87 are not
recommended. Premium fuel will provide improved performance and is
recommended for severe duty usage such as trailer tow.
Do not be concerned if your engine sometimes knocks lightly. However, if
it knocks heavily under most driving conditions while you are using fuel
with the recommended octane rating, see your authorized dealer to
prevent any engine damage.
RUNNING OUT OF FUEL
Avoid running out of fuel because this situation may have an adverse
effect on powertrain components.
If you have run out of fuel:
• You may need to cycle the ignition from off to on several times after
refueling to allow the fuel system to pump the fuel from the tank to
the engine. On restarting, crank time will be a few seconds longer
than normal. With keyless ignition, just start the engine. Crank time
will be longer than usual.
• Normally, adding 1 gallon (3.8 liters) of fuel is enough to restart the
engine. If the vehicle is out of fuel and on a steep grade, more than
1 gallon (3.8 liters) may be required.
• The service engine soon indicator may come on. For more information
on the service engine soon indicator, see Warning Lamps and
Indicators in the Instrument Cluster chapter.
2015 Police (pol)
Owners Guide gf, 2nd Printing, April 2015
USA (fus)
Fuel and Refueling
2.0L and 3.5L V6 EcoBoost®
87
engines
Regular unleaded gasoline with a
pump (R+M)/2 octane rating of 87
(R+M)/2 METHOD
is recommended. Some stations
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