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:

    First generation (1998–2002)
    The 1998 Navigator introduced the concept of the American luxury SUV, competing at first with only the Land Rover Range Rover. It was trimmed with leather, wood, and fine carpeting, but its humble ...

    Power side view mirrors
    WARNING: Do not adjust the mirror while the vehicle is in motion. To adjust your mirrors: 1. Rotate the control clockwise to adjust the right mirror and rotate the control counterclock ...

    Steering
    3.5L EcoBoost™ engine (if equipped): Your vehicle is equipped with an Electric Power Steering (EPS) system. There is no fluid reservoir to check or fill. If your vehicle loses electrical power ...