Jeep Wrangler: FUEL REQUIREMENTS – DIESEL ENGINE / Diesel Fuel Specifications

This diesel engine has been developed to take advantage of the high energy content and generally lower cost No. 2 Ultra Low Sulfur diesel fuel or No. 2 Ultra Low Sulfur climatized diesel fuels.

NOTE:

  • If you accidentally fill the fuel tank with gasoline on your diesel vehicle, do not start the engine. Damage to the engine and fuel system could occur. Please call an authorized dealer for service.
  • A maximum blend of 5% biodiesel meeting ASTM specification D-975 may be used with your diesel engine without any adjustments to regular service schedules.
  • Commercially available fuel additives are not necessary for the proper operation of your diesel engine.
  • No. 1 Ultra Low Sulfur diesel fuel should only be used where extended arctic conditions (-10°F or -23°C) exist.

    FUEL REQUIREMENTS – DIESEL ENGINE

    Federal law requires that you must fuel this vehicle with Ultra Low Sulfur Highway Diesel fuel (15 ppm Sulfur maximum) and prohibits the use of Low Sulfur Highway Diesel fuel (500 ppm Sulfur maximum) to avoid damage to the emissions control system...

    Biodiesel Fuel Requirements

    A maximum blend of 5% biodiesel meeting ASTM specification D975 is recommended for use with your diesel engine. If frequent operation with Biodiesel blends that are between 6% and 20% (B6–B20) is desired, the maintenance schedule is subject to shorter intervals...

    Other information:

    Jeep Wrangler 2018-2025 Owners Manual: Washing


    Wash your vehicle regularly. Always wash your vehicle in the shade using Mopar® Car Wash, or a mild car wash soap, and rinse the panels completely with water. If insects, tar, or other similar deposits have accumulated on your vehicle, use Mopar® Super Kleen Bug and Tar Remover to remove...

    Jeep Wrangler 2018-2025 Owners Manual: HAZARD WARNING FLASHERS


    The Hazard Warning Flashers switch is located on the instrument panel below the climate controls. Hazard Warning Flashers Switch Push the switch to turn on the Hazard Warning Flashers. When the switch is activated, all directional turn signals will flash on and off to warn oncoming traffic of an emergency...

    Categories

    Turn Signals. Lane Change Assist — If Equipped

    Turn Signals

    Move the multifunction lever up or down to activate the turn signals. The arrows on each side of the instrument cluster flash to show proper operation.

    NOTE:

    If either light remains on and does not flash, or there is a very fast flash rate, check for a defective outside light bulb.

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