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:

    Checking the engine oil
    Refer to the scheduled maintenance information for the appropriate intervals for checking the engine oil. 1. Make sure the vehicle is on level ground. 2. Turn the engine off and wait 15 minutes ...

    Parking brake
    Apply the parking brake whenever the vehicle is parked. To set the parking brake, press the parking brake pedal down until the pedal stops. The BRAKE warning lamp in the instrument cluste ...

    Emergency Towing
    In case of a roadside emergency with a disabled vehicle (without access to wheel dollies, car hauling trailer, or flatbed transport vehicle) your vehicle (regardless of transmission powertrain con ...