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:

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    Rearview camera system (if equipped)
    The rearview camera system, located on the trunk, provides a video image which appears on the navigation screen of the area behind the vehicle. It adds assistance to the driver while rever ...

    Precautions when servicing your vehicle
    • Do not work on a hot engine. • Make sure that nothing gets caught in moving parts. • Do not work on a vehicle with the engine running in an enclosed space, unless you are sure you have enough ve ...