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:

    All-wheel drive (AWD) system (if equipped)
    Your vehicle may be equipped with a full-time all-wheel drive (AWD) system. With the AWD option, power will be delivered to the front wheels and distributed to the rear wheels as needed. This incr ...

    Infant and/or toddler seats
    Use a safety seat that is recommended for the size and weight of the child. When installing a child safety seat: • Review and follow the information presented in the Airbag supplemental re ...

    Engine
    Engines are more efficient when they are clean because grease and dirt buildup keep the engine warmer than normal. When washing: • Take care when using a power washer to clean the engine. The h ...