2018 FORD FLEX engine

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Page 155 of 508

FORD FLEX 2018  Owners Manual We recommend that you do the following
for a safe and correct operation:
•
Use a 16-gauge outdoor extension cord
that is product certified by
Underwriter ’s Laboratory (UL) or
Canadian Standards A

Page 156 of 508

FORD FLEX 2018  Owners Manual SAFETY PRECAUTIONS
WARNINGS
Do not overfill the fuel tank. The
pressure in an overfilled tank may
cause leakage and lead to fuel spray
and fire. The fuel system may be under
pressure. If you hear a hi

Page 157 of 508

FORD FLEX 2018  Owners Manual Some fuel stations, particularly those in
high altitude areas, offer fuels posted as
regular unleaded gasoline with an octane
rating below 87.
For best overall vehicle and engine
performance, premium

Page 159 of 508

FORD FLEX 2018  Owners Manual REFUELING
Refueling System Overview
Fuel filler door.
A
Fuel tank filler valve.
B
Fuel tank filler pipe.
C
Your vehicle does not have a fuel tank filler
cap. Left-hand side. To open the fuel
filler do

Page 161 of 508

FORD FLEX 2018  Owners Manual 5. Operate the fuel pump nozzle within
the area shown. 6.
When you finish refueling slightly raise
the fuel pump nozzle and slowly
remove it.
7. Fully close the fuel filler door.
Do not attempt to sta

Page 162 of 508

FORD FLEX 2018  Owners Manual The first 1,000 mi (1,500 km) of driving is
the break-in period of the engine. A more
accurate measurement is obtained after
2,000 mi (3,000 km)
.
Impacting Fuel Economy
• Incorrect tire inflation p

Page 163 of 508

FORD FLEX 2018  Owners Manual EMISSION LAW
WARNING
Do not remove or alter the original
equipment floor covering or
insulation between it and the metal
floor of the vehicle. The floor covering and
insulation protect occupants of th

Page 164 of 508

FORD FLEX 2018  Owners Manual •
Incorrect fuel for climatic conditions.
• Incorrect engine oil viscosity for
climactic conditions.
Note: Some vehicles have a lifetime fuel
filter that is integrated with the fuel tank.
Regular