See also:

Motorcraft part numbers
Refer to scheduled maintenance information for the appropriate intervals for changing the spark plugs. Note: Replace the spark plugs with ones that meet Ford material and design specificati ...

V-6 Power
The MKZ's powertrain is another highlight. The 3.5-liter V-6 delivers strong acceleration; there's plenty of power to get you up to speed quickly and effortlessly. The large-displacement V-6 also ...

Special operating conditions
If you operate your vehicle primarily in any of the following conditions, you need to perform additional maintenance as indicated. If you occasionally operate your vehicle under any of these condi ...