Fuel Requirements - Gasoline Engines - Jeep 2013 Wrangler Owner's Manual

pressure values still shown. This indicates the
pressure values are still being received from the
TPM Sensors but they may not be located in the
correct vehicle position. However, the system
still needs to be serviced as long as the "SER-
VICE TPM SYSTEM" message exists.
NOTE:
• If your vehicle is equipped with a match-
ing full-size spare wheel and tire assem-
bly, it has a tire pressure monitoring sen-
sor, and can be monitored by the Tire
Pressure Monitoring System (TPMS). In
the event that the matching full-size spare
tire is swapped with a low pressure road
tire, the next ignition switch cycle will still
show the "Tire Pressure Monitoring Tell-
tale Light" to be ON, a chime to sound, a
"LOW TIRE PRESSURE" message to ap-
pear in the EVIC, and the graphic display
will still show the low tire pressure value
"flashing." Driving the vehicle for up to 20
minutes above 15 mph (24 km/h) will turn
OFF the "Tire Pressure Monitoring Telltale
Light" as long as none of road tires are
below the low pressure warning thresh-
old.
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• If your vehicle is not equipped with a
matching full-size spare wheel and tire
assembly, it does not have a tire pressure
monitoring sensor in the spare tire. The
TPMS will not be able to monitor the tire
pressure. If you install the spare tire in
place of a road tire that has a pressure
below the low-pressure warning limit,
upon the next ignition switch cycle, the
"Tire Pressure Monitoring Telltale Light"
will remain ON, a chime will sound, and
the EVIC will still display a "flashing"
pressure value in the graphic display.
After driving the vehicle for up to 20
minutes above 15 mph (24 km/h), the "Tire
Pressure Monitoring Telltale Light" will
flash on and off for 75 seconds and then
remain on solid. In addition, the EVIC will
display a "SERVICE TPM SYSTEM mes-
sage for a minimum of five seconds and
then display dashes (- -) in place of the
pressure value. For each subsequent ig-
nition switch cycle, a chime will sound,
the "Tire Pressure Monitoring Telltale
Light" will flash on and off for 75 seconds
and then remain on solid, and the EVIC
will display a SERVICE TPM SYSTEM
message for a minimum of five seconds
and then display dashes (- -) in place of
the pressure value. Once you repair or
replace the original road tire, and reinstall
it on the vehicle in place of the spare tire,
the TPMS will update automatically.
In addition, the "Tire Pressure Monitoring Tell-
tale Light" will turn OFF and the graphic in the
EVIC will display a new pressure value instead
of dashes (- -), as long as no tire pressure is
below the low-pressure warning limit in any of
the four active road tires. The vehicle may need
to be driven for up to 20 minutes above 15 mph
(24 km/h) in order for the TPMS to receive this
information.
FUEL REQUIREMENTS —
GASOLINE ENGINES
This engine is designed to meet all emissions
regulations and provide excellent fuel economy
and performance when using high quality un-
leaded gasoline with a minimum research oc-
tane rating of 91. The use of premium gasoline
is not recommended, as it will not provide any
benefit over regular gasoline in these engines.