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:

    Safety belt extension assembly
    If the safety belt is too short when fully extended, a safety belt extension assembly can be obtained from an authorized dealer. Use only extensions manufactured by the same supplier as the safety ...

    Blind spot information system
    The available Blind Spot Information System (BLIS®) with cross-traffic alert can detect vehicles in blind spots during normal driving and traffic approaching from the sides when reversing out of par ...

    Gauges
    Gauges Speedometer: Indicates the current vehicle speed. Engine coolant temperature gauge: Indicates engine coolant temperature. At normal operating temperature, the needle will ...