Octane Recommendations

Octane Recommendations  - What you should know about automotive fuels - Maintenance and Specifications - Lincoln MKZ Owners Manual - Lincoln MKZ

“Regular” unleaded gasoline with a

“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 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:

    Collision warning system (if equipped)
    The collision warning with brake support, is designed to alert the driver of certain collision risks with a red warning light located above the dashboard and an audible warning chime. The brake su ...

    All-wheel drive (awd) system (if equipped)
    Your vehicle may be equipped with a full-time all-wheel drive (AWD) system. The AWD system is an active system, meaning it not only responds to wheel slip between the front and rear axles but also ...

    Determining if the system is operational
    The supplemental restraint system uses a warning indicator light in the instrument cluster or a backup tone to indicate the condition of the system. Refer to the Warning lights and chimes section ...