Loose Fuel Filler Cap Message; Refueling The Vehicle - Diesel Engine (If Equipped); Avoid Using Contaminated Fuel - Jeep WRANGLER 2021 Owner's Manual

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188
STARTING AND OPERATING
L
F
F
C
M
OOSE
UEL
ILLER
AP
After fuel has been added, the vehicle
diagnostic system 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 message 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.
ESSAGE
Fuel and Diesel Exhaust Fluid (DEF) Fill Location
1 — Diesel Fuel Filler
2 — DEF Filler
Fuel Filler Door
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.
CAUTION!
For diesel engines, only use diesel fuel for
motor vehicles in accordance with EN 590
European specifications. The use of other
products or mixtures may damage the engine
beyond repair and consequently void the war-
ranty, due to the damage caused. If you acci-
dentally introduce other types of fuel into the
tank, do not start the engine. Empty the tank.
If the engine has been run for even an
extremely limited amount of time, you must
not only drain the fuel tank, but the rest of the
supply circuit as well.
A
U
C
VOID
SING
ONTAMINATED
Fuel that is contaminated by water or dirt can
cause severe damage to the engine fuel
system. Proper maintenance of the engine fuel
filter and fuel tank is essential see Ú page 375.
F
UEL

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