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:

    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 of ...

    Replacing the battery
    The intelligent access key (IA key) uses one coin type three-volt lithium battery CR2032 or equivalent. To replace the battery: 1. Remove the backup key from the transmitter, then twist a th ...

    Roll Stability Control™ (RSC )
    Roll Stability Control™ (RSC ) may help to maintain roll stability of the vehicle during adverse maneuvers. RSC operates by detecting the vehicle’s roll motion and the rate at which it changes and ...