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:

    Stopping and securing the vehicle
    1. Park on a level surface, set the parking brake and activate hazard flashers. 2. Place gearshift lever in P (Park) and turn engine off. Removing the spare tire and jack 1. Lift the trunk ...

    Severe climates
    If you drive in extremely cold climates: • It may be necessary to increase the coolant concentration above 50%. • NEVER increase the coolant concentration above 60%. • A coolant concentration o ...

    Perchlorate material
    Certain components of this vehicle such as airbag modules, safety belt pretensioners, and button cell batteries may contain Perchlorate Material – Special handling may apply for service or vehicle ...