Ford Taurus Owners Manual: Fuel quality

Note: Use of any fuel other than those recommended may cause powertrain damage and a loss of vehicle performance; repairs may not be covered under warranty.

Choosing the Right Fuel (Gasoline Engines)

Use only UNLEADED gasoline or UNLEADED gasoline blended with a maximum of 15% ethanol in your gasoline vehicle. If your vehicle is a Flex Fuel Vehicle (FFV), it will have a yellow bezel placed over the fuel fill inlet.

Do not use: Fuels containing more than 15% ethanol or E-85 fuel.

Fuels containing methanol.

Fuels containing metallic based additives, including manganese-based compounds.

Fuels containing the octane booster additive, methylcyclopentadienyl manganese tricarbonyl (MMT).

Leaded-fuel (The use of leaded fuel is prohibited by law).

Note: Use of any fuel other than recommended fuel can cause powertrain damage, impair the emission control system or cause loss of vehicle performance. Any damage to vehicle that is caused by use of fuel not recommended will not be covered under warranty.

Choosing the Right Fuel With a Flex Fuel Vehicle (If Equipped)

Use only UNLEADED gasoline or UNLEADED gasoline blended with a maximum of 85% ethanol (E-85) in your Flex Fuel Vehicle (FFV).

If your vehicle is flex fuel capable, it will have a yellow bezel placed over the fuel fill inlet.

Do not use: Fuels containing more than 85% ethanol or E-100 fuel.

Fuels containing methanol.

Fuels containing metallic based additives, including manganese-based compounds.

Fuels containing the octane booster additive, methylcyclopentadienyl manganese tricarbonyl (MMT).

Leaded-fuel (The use of leaded fuel is prohibited by law).

Use of any fuel other than recommended fuel can cause powertrain damage, impair the emission control system or cause loss of vehicle performance. Any damage to a vehicle that is caused by use of fuel not recommended will not be covered under warranty.

Octane recommendations

 3.5L V6 engine


3.5L V6 engine

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.

3.5L V6 SHO/2.0L EcoBoost engines

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. Premium fuel will provide improved performance and is recommended for severe duty usage such as trailer tow.

Do not be concerned if your engine sometimes knocks lightly. However, if it knocks heavily while you are using fuel with the recommended octane rating, see your authorized dealer to prevent any engine damage.

    Safety precautions
    WARNING: Do not overfill the fuel tank. The pressure in an overfilled tank may cause leakage and lead to fuel spray and fire. WARNING: The fuel system may be under pressure. If you hear a hissing s ...

    Running out of fuel
    Avoid running out of fuel because this situation may have an adverse effect on powertrain components. If you have run out of fuel: You may need to cycle the ignition from off to on several time ...

    Other materials:

    Essential towing checks
    Follow these guidelines for safe towing: Do not tow a trailer until you drive your vehicle at least 1000 miles (1600 kilometers). Consult your local motor vehicle laws for towing a trailer. See the instructions included with towing accessories for the proper installation and adjustmen ...

    Changing a road wheel
    WARNING: The use of tire sealants may damage your tire pressure monitoring system and should not be used. However, if you must use a sealant, have an authorized dealer install a new tire pressure monitoring system sensor and valve stem. WARNING: See Tire Pressure Monitoring System in this chapt ...

    Opening and closing the hood
    1. Inside the vehicle, pull the hood release handle located under the bottom of the instrument panel near the steering column. 2. Go to the front of the vehicle and release the auxiliary latch that is located under the front center of the hood. 3. Lift the hood. ...