• Switch the ignition off before refueling.
An inaccurate reading results if you
leave the engine running.
• Use the same fill rate
(low-medium-high) each time the tank
is filled.
• Allow no more than two automatic
shut-offs when refueling.
Results are most accurate when the
refueling method is consistent.
Calculating Fuel Economy
Do not measure fuel economy during the
first 1000 miles (1600 km) of driving (this
is your engine’s break-in period). A more
accurate measurement is obtained after
2000 - 3000 miles (3200 - 4800 km).
Also, fuel expense, frequency of fill ups or
fuel gauge readings are not accurate ways
to measure 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.
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. Calculate fuel economy by dividing
miles traveled by gallons used (For
Metric: Multiply liters used by 100, then
divide by kilometers traveled).
Keep a record for at least one month and
record the type of driving (city or freeway).
This provides an accurate estimate of your
vehicle’s fuel economy under current
driving conditions. Additionally, keeping
records during summer and winter show
how temperature impacts fuel economy.
In general, lower temperatures mean lower
fuel economy.
100
Tourneo Custom/Transit Custom (TTF)
Fuel and Refueling
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