Fuel Requirements; 2.0L Engine - Jeep 2019 NEW WRANGLER User Manual

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Tighten the lug nuts/bolts in a star pattern
until each nut/bolt has been tightened twice.
Ensure that the socket is fully engaged on the
lug nut/bolt (do not insert it halfway).
Torque Patterns
After 25 miles (40 km), check the lug nut/
bolt torque to be sure that all the lug nuts/
bolts are properly seated against the wheel.
WARNING!
To avoid the risk of forcing the vehicle off
the jack, do not tighten the lug nuts/bolts
fully until the vehicle has been lowered.
Failure to follow this warning may result in
personal injury.
246

FUEL REQUIREMENTS

2.0L Engine

This engine is designed
RECOMMENDED OCTANE RATING
to meet all emission
(R+M)/2 METHOD
regulations, and pro-
91
vide satisfactory fuel
economy and perfor-
mance
high-quality unleaded
"Regular"
having a posted octane number of 87 as
specified by the (R+M)/2 method. For opti-
mal performance the use of 91 or higher
octane "Premium" gasoline is recommended
in these engines.
While operating on gasoline with the required
octane number, 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 a
lower than recommended octane number can
cause engine failure and may void or not be
covered by the New Vehicle Limited War-
ranty.
Poor quality gasoline can cause problems
such as hard starting, stalling, and hesita-
tions. If you experience these symptoms, try
another brand of gasoline before considering
service for the vehicle.
3.6L Engine
RECOMMENDED OCTANE RATING
when
using
(R+M)/2 METHOD
87
gasoline
rating of 87 as specified by the (R+M)/
2 method. The use of higher octane "Pre-
mium" gasoline 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 imme-
diately. Use of gasoline with an octane num-
This engine is designed
to meet all emissions
regulations and provide
excellent fuel economy
and performance when
using high-quality un-
leaded "Regular" gaso-
line having an octane

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