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:

    Warning lights and chimes
    Standard instrument cluster shown; metric cluster similar Warning lights and gauges can alert you to a vehicle condition that may become serious enough to cause extensive repairs. A warning lig ...

    Rear heated seats
    WARNING: Persons who are unable to feel pain to the skin because of advanced age, chronic illness, diabetes, spinal cord injury, medication, alcohol use, exhaustion, or other physical conditions ...

    Windshield wiper rainlamp feature
    When the windshield wipers are turned on during daylight, and the headlamp control is in the autolamp position, the exterior lamps will turn on after a brief delay and will remain on until the wip ...