Octane Recommendations

Octane Recommendations - What you should know about automotive fuels - Maintenance and Specifications - Lincoln MKZ Owners Manual - Lincoln MKZ

“Regular” unleaded gasoline with a

“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 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:

    Starting the engine
    1. Press the START/STOP button (for any length of time) while applying the brake pedal. Your vehicle has a computer assisted cranking system that assists in starting the engine. After releasing th ...

    Tires
    Tires are designed to give many thousands of miles of service, but they must be maintained in order to get the maximum benefit from them. ...

    Following a vehicle
    WARNING: When following a vehicle in front of you, the vehicle will not decelerate automatically to a stop, nor will the vehicle always decelerate quickly enough to avoid a collision without drive ...