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:

    Maintenance schedule log
    ...

    Away from home
    If you are away from home when your vehicle needs service, contact the Ford Customer Relationship Center or use the online resources listed below to find the nearest authorized dealer. In the Uni ...

    Speed control
    With speed control set, you can maintain a set speed without keeping your foot on the accelerator pedal. WARNING: Do not use the speed control in heavy traffic or on roads that are winding, slipp ...