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:

    2011 Lincoln MKX brimming with standard and class-exclusive technologies
    Standard MyLincoln Touch and remote start lead the list of features or technologies that are new for the 2011 Lincoln MKX, including: Adaptive Cruise Control and Collision Warning with Brake Suppo ...

    Emission control system
    WARNING: Do not park, idle, or drive your vehicle in dry grass or other dry ground cover. The emission system heats up the engine compartment and exhaust system, which can start a fire. WARNING: ...

    Adaptive headlamps (if equipped)
    The headlamp beams move in the same direction as the steering wheel which provides more visibility when driving around curves. • Without adaptive headlamps (1) • With adaptive headlamps (2) N ...