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:

    Safety belt system
    WARNING: Always drive and ride with your seatback upright and the lap belt snug and low across the hips. WARNING: To reduce the risk of injury, make sure children sit where they can be properly r ...

    Preparing your vehicle
    When the battery is disconnected or a new battery is installed, the automatic transmission must relearn its shift strategy. As a result, the transmission may have firm and/or soft shifts. This ope ...

    Opening the hood
    1. Inside the vehicle, pull the hood release handle located under the bottom of the instrument panel near the steering column. 2. Go to the front of the vehicle and release the auxiliary ...