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:

    Engine oil and filter recommendations
    Look for this certification trademark. Use SAE 5W-20 engine oil Only use oils certified for gasoline engines by the American Petroleum Institute (API). An oil with this trademark symbol confor ...

    Tire rotation
    Rotating your tires at the recommended interval (as indicated in the Scheduled Maintenance chapter) will help your tires wear more evenly, providing better tire performance and longer tire life. ...

    Replacing rear brake/tail/turn and sidemarker lamp bulbs
    The brake/tail/turn/side marker lamp and backup bulbs are located in the tail lamp assembly. Follow the same steps to replace the bulbs. Note: Your vehicle is equipped with a tail lamp assembly c ...