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:

    Engine data
    Engine drivebelt routing 1. Short drivebelt is on first pulley groove closest to engine. 2. Long drivebelt is on second pulley groove farthest from engine. ...

    Engine drivebelt routing
    3.7L V6 engine 1. Short drivebelt is on first pulley groove closest to engine (except vehicles with electric power assisted steering). 2. Long drivebelt is on second pulley groove farthest from ...

    Running out of fuel
    Avoid running out of fuel because this situation may have an adverse effect on powertrain components. If you have run out of fuel: • You may need to cycle the ignition from off to on several times ...