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:

    Using MyKey with remote start systems
    MyKey is not compatible with non Ford-approved aftermarket remote start systems. If you choose to install a remote start system please see your authorized dealer for a Ford-approved remote start s ...

    Tire replacement requirements
    Your vehicle is equipped with tires designed to provide a safe ride and handling capability. WARNING: Only use replacement tires and wheels that are the same size, load index, speed rating and ty ...

    Brake fluid
    The fluid level will drop slowly as the brakes wear, and will rise when the brake components are replaced. Fluid levels between the MIN and MAX lines are within the normal operating range; ...