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Maintenance and care – FORD 2000 Windstar User Manual

Page 236

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The advertised capacity is the amount of the indicated capacity and the
empty reserve combined. Indicated capacity is the difference in the
amount of fuel in a full tank and a tank when the fuel gauge indicates
empty. Empty reserve is the small amount of usable fuel remaining in the
fuel tank after the fuel gauge indicates empty.

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.

For consistent results when filling the fuel tank:
• Use the same filling rate setting (low — medium — high) each time

the tank is filled.

• Allow three automatic click-offs when filling.
• Always use fuel with the recommended octane rating.
• Use 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
(in kilometers or miles).

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 odometer reading.

4. Subtract your initial odometer reading from the current odometer
reading.

5. 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.

Maintenance and care

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