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:

    Blocked sensor
    An extreme build-up of materials on the quarter panel fascias such as mud or snow can cause degraded performance of the BLIS . Also, heavy rain can cause the same effect. The BLIS can detect ...

    Illuminated exit
    When all vehicle doors are closed and the ignition is turned off, the interior dome lamps, parking lamps and puddle lamps (if equipped) will illuminate. The lights will turn off if all the door ...

    Safety belt pretensioner
    Your vehicle is equipped with safety belt pretensioners at the driver and front outboard passenger seating positions. The safety belt pretensioner tightens the safety belts firmly against the o ...