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:

    Wrecker towing
    If you need to have your vehicle towed, contact a professional towing service or, if you are a member of a roadside assistance program, your roadside assistance service provider. It is recomm ...

    BLIS and/or CTA fault operation
    If the BLIS and/or CTA senses a fault on either the left or right sensor, the BLIS alert indicator will go on and remain on and the message center will display BLIND SPOT SYSTEM FAULT or CROSS TRA ...

    How does the safety belt pretensioner and airbag supplemental restraint system work?
    The safety belt pretensioner and airbag SRS are designed to activate when the vehicle sustains longitudinal deceleration sufficient to cause the sensors to close an electrical circuit that ...