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:

    Jump starting
    1. Start the engine of the booster vehicle and run the engine at moderately increased speed. 2. Start the engine of the disabled vehicle. 3. Once the disabled vehicle has been started, run both ...

    California proposition 65 warning
    WARNING: Engine exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known to the State of California to cause cancer and birth defects or other reproducti ...

    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 ...