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:

    Driving style — good driving and fuel economy habits
    Give consideration to the lists that follow and you may be able to change a number of variables and improve your fuel economy. Habits • Smooth, moderate operation can yield up to 10% savings in fu ...

    BLIS -CTA on/off and disable operation
    The BLIS and/or the CTA can be turned off via the message center. Turning the BLIS off does not turn off the CTA and vice-versa. If either the BLIS or CTA is turned off, the systems will automatica ...

    Underbody
    Flush the complete underside of your vehicle frequently. Keep body and door drain holes free from packed dirt. ...