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:

    Low speed automatic cancellation
    ACC is not functional at vehicle speeds below 18 mph (30 km/h). Once the vehicle speed drops below 18 mph (30 km/h), an audible alarm will sound, the head’s up display will flash and the automatic ...

    Erasing personal code
    1. Enter the factory set 5–digit code. 2. Within five seconds, press the 1 • 2 on the keypad and release. 3. Press and hold the 1 • 2 for two seconds. This must be done within five seconds of comp ...

    BLIS and/or CTA on/off and disable operation
    The BLIS and/or the CTA can be turned off via the message center. If either the BLIS and/or the CTA is turned off, the systems will automatically turn back on at the next ignition key cycle. When ...