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:

    Safety
    There's a standard brake-based stability control system with rollover mitigation, and a tire pressure monitoring system, both of which are must-haves for large SUVs. Tire pressure is always import ...

    Inflatable rear belts
    Second-row outboard passengers - often children or mature passengers - can benefit from available inflatable rear belts, a segment first. These advanced restraints spread impact forces across more ...

    Warning lights and chimes
    Warning lights and gauges can alert you to a vehicle condition that may become serious enough to cause extensive repairs. A warning light may illuminate when a problem exists with one of your ve ...