2022 JEEP WRANGLER 4XE fuel

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Low Fuel Warning Light Úpage 136
Low Washer Fluid Warning Light Úpage 137
Engine Check/Malfunction Indicator Warning Light (MILyf Úpage 137
AdBlue® (UREAyf,QMHFWLRQ6\VWHP)DLOXUH:DUQLQJ/LJKt Úpage 137
Service 4WD Warning Light Úpage 137
Service Forward Collision Warning (FCWyf/LJKt Úpage 137
Yellow Warning Lights

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Prolonged driving with the MIL on could cause
further damage to the emission control
system. It could also affect fuel economy and
driveability. The vehicle must be serviced
before any emissions tests can be performed.
If the MIL is flashing while the vehicle is
running, severe catalytic converter damage
and power loss will soon occur. Immediate
service is required.
WARNING!
ONLY an authorized service technician should
connect equipment to the OBD II connection
port in order to read the VIN, diagnose, or
service your vehicle.
If unauthorized equipment is connected to the
OBD II connection port, such as a
driver-behavior tracking device, it may:
Be possible that vehicle systems,
including safety related systems, could be
impaired or a loss of vehicle control could
occur that may result in an accident
involving serious injury or death.
Access, or allow others to access, infor-
mation stored in your vehicle systems,
including personal information.

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Never pour fuel or other flammable liquid into
the throttle body air inlet opening in an
attempt to start the vehicle. This could result
in flash fire causing serious personal injury.
Do not attempt to push or tow your vehicle to
get it started. Vehicles equipped with an auto-
matic transmission cannot be started this
way. Unburned fuel could enter the catalytic
converter and once the engine has started,
ignite and damage the converter and vehicle.
If the vehicle has a discharged battery,
booster cables may be used to obtain a start
from a booster battery or the battery in
another vehicle. This type of start can be
dangerous if done improperly Ú page 358.
CAUTION!
To prevent damage to the starter, do not
continuously crank the engine for more than 10
to 15 seconds at a time. Wait 10 to 15 seconds
before trying again.
WARNING!
Before exiting a vehicle, always come to a
complete stop, then shift the automatic trans -
mission into PARK and apply the parking
brake.
4

22_JL_OM_EN_USC_t.book Page 147

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The engine is allowed to crank as long as 25
seconds. If the engine fails to start during this
period, please wait at least two minutes for
the starter to cool before repeating start
procedure.
If the Water in Fuel Indicator Light remains on,
DO NOT START engine before you drain the
water from the fuel filters to avoid engine
damage Úpage 383.

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Never have any smoking materials lit in or
near the vehicle when the fuel door is open or
the tank is being filled.
Never add fuel when the engine is running.
This is in violation of most state and federal
fire regulations and may cause the Malfunc-
tion Indicator Light to turn on.
A fire may result if fuel is pumped into a
portable container that is inside of a vehicle.
You could be burned. Always place fuel
containers on the ground while filling.
CAUTION!
Damage to the fuel system or emission control
system could result from using an improper
fuel filler cap. A poorly fitting cap could let
impurities into the fuel system. Also, a poorly
fitting aftermarket cap can cause the Malfunc -
tion Indicator Light (MILyfWRLOOXPLQDWHGXHWR
fuel vapors escaping from the system.
To avoid fuel spillage and overfilling, do not
“top off” the fuel tank after filling.

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Do not drain the fuel/water separator filter
when the engine is running.
Diesel fuel will damage blacktop paving
surfaces. Drain the filter into an appropriate
container.
1 — Retainers
2 — Fuel Filter Protective Cover
8

22_JL_OM_EN_USC_t.book Page 383

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Diesel fuel will damage blacktop paving
surfaces. Drain the filter into an appropriate
container.
Do not prefill the fuel filter when installing a
new fuel filter. There is a possibility debris
could be introduced into the fuel filter during
this action. It is best to install the filter dry and
allow the in-tank lift pump to prime the fuel
system.
1 — Retainers
2 — Fuel Filter Protective Cover

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Exhaust gases can injure or kill. They contain
Carbon Monoxide (COyfZKLFKLVFRORUOHVVDQG
odorless. Breathing it can make you unconscious
and can eventually poison you
Ú
page 346.

A hot exhaust system can start a fire if you park
over materials that can burn. Such materials
might be grass or leaves coming into contact
with your exhaust system. Do not park or operate
your vehicle in areas where your exhaust system
can contact anything that can burn.

CAUTION!
The catalytic converter requires the use of
unleaded fuel only. Leaded gasoline will
destroy the effectiveness of the catalyst as an
emissions control device and may seriously
reduce engine performance and cause
serious damage to the engine.
Damage to the catalytic converter can result if
your vehicle is not kept in proper operating
condition. In the event of engine malfunction,
particularly involving engine misfire or other
apparent loss of performance, have your
vehicle serviced promptly. Continued opera -
tion of your vehicle with a severe malfunction
could cause the converter to overheat,
resulting in possible damage to the converter
and vehicle.