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:

    Air filter
    Refer to scheduled maintenance information for the appropriate intervals for changing the air filter element. When changing the air filter element, use only the air filter element listed. Refer ...

    Understanding your tire pressure monitoring system (TPMS)
    The tire pressure monitoring system measures pressure in your four road tires and sends the tire pressure readings to your vehicle. The low tire pressure warning light will turn on if the tire pre ...

    Overhead console
    The appearance of your vehicle’s overhead console will vary according to your option package. Storage compartment Press on the rear edge of the compartment door to open. The storage compart ...