Octane recommendations

Octane recommendations - What you should know about automotive fuels - Maintenance and Specifications - Lincoln MKX Owners Manual - Lincoln MKX

“Regular” unleaded gasoline with a pump (R+M)/2 octane rating of 87 is recommended. Some stations offer fuels posted as “Regular” with an octane rating below 87, particularly in high altitude areas. Fuels with octane levels below 87 are not recommended.

Do not be concerned if your engine sometimes knocks lightly. However, if

Do not be concerned if your engine sometimes knocks lightly. However, if it knocks heavily under most driving conditions while you are using fuel with the recommended octane rating, see your authorized dealer to prevent any engine damage.

    See also:

    Choosing the right fuel
    Use only UNLEADED fuel or UNLEADED fuel blended with a maximum of 10% ethanol. Do not use fuel ethanol (E85), diesel, methanol, leaded fuel or any other fuel. The use of leaded fuel is prohibited ...

    Stopping and securing the vehicle
    1. Park on a level surface, activate hazard flashers and set the parking brake. 2. Place the gearshift lever in P (Park) and turn the engine off. Removing the spare tire and jack 1. Lift t ...

    Programming MyKey Optional Settings
    Turn the ignition on using an admin key. To program the optional settings, use the message center buttons to do the following: 1. Press SETUP until RESET FOR MYKEY SETTINGS is displayed. 2. Press ...