Jeep Wrangler: VEHICLE MAINTENANCE / Priming If The Engine Has Run Out Of Fuel — Diesel Engine
WARNING!
Do not open the high pressure fuel system with the engine running. Engine operation causes high fuel pressure. High pressure fuel spray can cause serious injury or death.
- Add a substantial amount of fuel to the tank, approximately 2 to 5 gal (8L to 19L).
- Push ignition switch twice without your foot on brake to put vehicle in RUN position. This will activate the in tank fuel pump for approximately 30 seconds. Repeat this process twice.
- Start the engine using the Normal Starting procedure.
CAUTION!
The starter motor will engage for approximately 30 seconds at a time. Allow two minutes between cranking intervals.
NOTE:
The engine may run rough until the air is forced from all the fuel lines.
WARNING!
Do not use alcohol or gasoline as a fuel blending agent. They can be unstable under certain conditions and be hazardous or explosive when mixed with diesel fuel.
CAUTION!
Due to lack of lubricants in alcohol or gasoline, the use of these fuels can cause damage to the fuel system.
NOTE:
- Use of biodiesel mixture in excess of 20% can negatively impact the fuel filter's ability to separate water from the fuel, resulting in high pressure fuel system corrosion or damage.
- In addition, commercially available fuel additives are not necessary for the proper operation of your diesel engine.
- For extreme cold conditions, "Mopar® Premium Diesel Fuel Treatment" is recommended to assist with cold starting.
Fuel Filter Replacement — Diesel Engine
NOTE:
Using a fuel filter that does not meet the manufacturer’s
filtration and water separating
requirements can severely impact fuel system
life and reliability...
Intervention Regeneration Strategy — Message Process Flow
This engine meets all required diesel engine
emissions standards. To achieve these
emissions standards, your vehicle is equipped
with a state-of-the-art engine and exhaust
system...
Other information:
Jeep Wrangler 2018-2026 Owners Manual: Tire Rotation Recommendations
The tires on the front and rear of your vehicle operate at different loads and perform different steering, handling, and braking functions. For these reasons, they wear at unequal rates. These effects can be reduced by timely rotation of tires. The benefits of rotation are especially worthwhile with aggressive tread designs such as those on On/Off Road type tires...
Jeep Wrangler 2018-2026 Owners Manual: Auto-Down Feature
The driver door power and the passenger door power window switches have an Auto-Down feature. Push the window switch down to the second detent and release, and the window will go down automatically. To stop the window from going all the way down during the Auto-Down operation, pull up on the switch briefly...
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Bi-Level Mode
Air comes from the instrument
panel
outlets and floor outlets. A slight
amount of air is directed through the
defrost and side window demister
outlets.
NOTE:
Bi-Level mode is designed under comfort conditions to provide cooler air out of the panel outlets and warmer air from the floor outlets.
