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:

    Steering
    To help prevent damage to the power steering system: • Never hold the steering wheel at its furthest turning points (until it stops) for more than a few seconds when the engine is running. • Do no ...

    Gauges
    Gauges Speedometer: Indicates the current vehicle speed. Engine coolant temperature gauge: Indicates engine coolant temperature. At normal operating temperature, the needle will ...

    Protecting your investment
    Maintenance is an investment that will pay dividends in the form of improved reliability, durability and resale value. To ensure the proper performance of your vehicle and its emission control sys ...