Loose Fuel Filler Cap Message; Refueling The Vehicle - Diesel Engine (If Equipped) - Jeep WRANGLER 2023 Owner's Manual

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STARTING AND OPERATING
2. Remove the fuel cap by rotating it counterclockwise.
Fuel Filler Cap
3. Fully insert the fuel nozzle into the filler pipe.
4. Fill the vehicle with fuel.
NOTE:
When the fuel nozzle "clicks" or shuts off, the
fuel tank is full.
Wait five seconds before removing the fuel
nozzle to allow excess fuel to drain from the
nozzle.
5. Remove the fuel nozzle, reinstall fuel cap and close
fuel filler door.
WARNING!
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 regula-
tions and may cause the Malfunction 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.
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 aftermar-
ket cap can cause the Malfunction Indicator Light
(MIL) to illuminate, due to fuel vapors escaping
from the system.
To avoid fuel spillage and overfilling, do not "top
off" the fuel tank after filling.
NOTE:
When the fuel nozzle "clicks" or shuts off, the fuel
tank is full.
Tighten the fuel filler cap about a quarter turn until
you hear one click. This is an indication that the cap
is properly tightened.
If the fuel filler cap is not tightened properly, the MIL
will come on. Be sure the cap is tightened every
time the vehicle is refueled.
(Continued)
WARNING!
CAUTION!

LOOSE FUEL FILLER CAP MESSAGE

After fuel has been added, the vehicle diagnostic sys-
tem can determine if the fuel filler cap is possibly loose,
improperly installed, or damaged. If the system detects
a malfunction, the "gASCAP" message will display in the
odometer display. Tighten the gas cap until a "clicking"
sound is heard. This is an indication that the gas cap is
properly tightened. Push the odometer reset button to
turn the message off. If the problem persists, the mes-
sage will appear the next time the vehicle is started.
This might indicate a damaged cap. If the problem is
detected twice in a row, the system will turn on the MIL.
Resolving the problem will turn the MIL off.
REFUELING THE VEHICLE — DIESEL
ENGINE (IF EQUIPPED)
The fuel filler cap is located on the driver's side of the
vehicle. If the fuel filler cap is lost or damaged, be sure
the replacement cap is the correct one for this vehicle.
1. Open the fuel filler door.
Fuel Filler Door

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