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:

    Positions of the ignition
    1. Off— locks the gearshift lever and allows key removal. This position also shuts the engine and all electrical accessories off. Note: In order to switch off the engine while the vehicle ...

    Running out of fuel
    If you have run out of fuel and need to refill the vehicle with a portable fuel container, see Running out of fuel in the Maintenance and Specifications chapter for proper fuel filling method usin ...

    Reporting safety defects (Canada only)
    If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform Transport Canada, using their toll-free number: 1–800–333–0510 ...