Ford 1999 Windstar User Manual download pdf (Page 219)

The amount of Empty Reserve varies and should not be relied

upon to increase driving range. When refueling your vehicle after

the fuel gauge indicates empty, you might not be able to refuel

the full amount of the advertised capacity of the fuel tank due to

the empty reserve still present in the tank.

Filling the tank

For consistent results:

• Use the same filling rate setting (low — medium — high) each time

the tank is filled.

• Allow three automatic click-offs when filling.

• Always use the recommended octane rating of a known quality

gasoline, preferably a national brand.

• Use the same side of the same pump and have the vehicle facing the

same direction each time you fill up.

• Have the vehicle loading and distribution the same every time.

Your results will be most accurate if your filling method is consistent.

Calculating fuel economy

1. Fill the fuel tank completely and record the initial odometer reading.

2. Each time you fill the tank, record the amount of fuel added (in liters

or gallons).

3. After at least three to five tank fill-ups, fill the fuel tank and record

the current kilometer (mileage) reading.

4. Follow one of the simple calculations in order to determine fuel

economy:

Multiply liters used by 100, then divide by total kilometers

traveled.

Divide total miles traveled by total gallons used.

Keep a record for at least one month and record the type of driving (city

or highway). This will provide an accurate estimate of the vehicle’s fuel

economy. Additionally, keeping records during summer and winter will

show how temperature impacts fuel economy. In general, lower

temperatures give lower fuel economy.

Maintenance and care

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Ford 1999 Windstar User Manual Page 219