User Manual - Page 205

For 2022 JEEP GLADIATOR.

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STARTING AND OPERATING 203
LOOSE FUEL FILLER CAP MESSAGE
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.
1. Open the fuel filler door.
Fuel Filler Door
2. Remove the diesel fuel filler cap by rotating it
counterclockwise.
Fuel and Diesel Exhaust Fluid (DEF) Fill Location
3. Fully insert the diesel nozzle into the filler pipe.
Fill the vehicle with fuel.
4. When the 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 nozzle.
5. Remove the diesel nozzle, reinstall fuel cap
and close the 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.
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.
AVOID USING CONTAMINATED FUEL
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 399.
1 — Diesel Fuel Filler
2 — DEF Filler
4
22_JT_OM_EN_USC_t.book Page 203
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