Choosing the right fuel

Use only UNLEADED fuel or UNLEADED fuel blended with a maximum of 10% ethanol. Do not use fuel ethanol (E85), diesel, methanol, leaded fuel or any other fuel. The use of leaded fuel is prohibited by law and could damage your vehicle.
Your vehicle was not designed to use fuel or fuel additives with metallic compounds, including manganese-based additives.
Note: Use of any fuel other than those recommended may cause powertrain damage, a loss of vehicle performance, and repairs may not be covered under warranty.
See also:
2011 Lincoln MKZ Review
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there's not much that's entry-level about it. After driving the MKZ for a week,
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Engine data
Engine drivebelt routing
1. Short drivebelt is on first pulley groove closest to engine.
2. Long drivebelt is on second pulley groove farthest from engine. ...
Emission control system
Your vehicle is equipped with various emission control components and a
catalytic converter which will enable your vehicle to comply with
applicable exhaust emission standards. To make sure that t ...
