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:

    Disengaging adaptive cruise control
    Press the brake pedal or press CNCL to disengage the adaptive cruise control. The last set speed will be displayed with a strikethrough. Disengaging the adaptive cruise control will not erase you ...

    2010 Lincoln MKS Review
    Lincoln is a brand adrift in the automotive marketplace. Few of its models set themselves apart from lesser-equipped Fords, and those that do usually fall short of the competition from Lexus, Infi ...

    Motorcraft part numbers
    Refer to scheduled maintenance information for the appropriate intervals for changing the spark plugs. Replace the spark plugs with ones that meet Ford material and design specifications for ...