User Manual - Page 261

For F-150 2008.

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Starting the engine
1. Turn the key to 3 (ON) without
turning the key to 4 (START). If
there is difficulty in turning the key,
rotate the steering wheel until the
key turns freely.
2. Turn the key to 4 (START), then
release the key as soon as the
engine starts.
Note: If the engine does not start on the first try, turn the key to OFF,
wait 10 seconds and try again. If the engine still fails to start, press and
hold the accelerator to the floor and try again; this will allow the engine
to crank with the fuel shut off in case the engine is flooded with fuel.
If your vehicle has an automatic transmission, it will have a computer
assisted cranking system. This feature assists in starting the engine. If
the ignition key is turned to 4 (START) and then released when the
engine begins cranking, the engine may continue cranking for up to
10 seconds or until the vehicle starts.
Cold weather starting (flexible fuel vehicles only)
As the outside temperature approaches freezing, ethanol fuel distributors
should supply winter grade ethanol (same as with unleaded gasoline). If
summer grade ethanol is used in cold weather conditions, 0°F to 32°F
(-18°C to 0°C), you may experience increased cranking times, rough idle
or hesitation until the engine has warmed up. The starting characteristics
of all grades of E
85
ethanol make it unsuitable for use when ambient
temperatures fall below 0°F (-18°C). Consult your fuel distributor for the
availability of winter grade ethanol.
You may experience a decrease in peak performance when the engine is
cold when operating on E
85
ethanol.
Do not crank the engine for more than 30 seconds at a time as starter
damage may occur. If the engine fails to start, turn the key to OFF and
wait 30 seconds before trying again.
Do not use starting fluid such as ether in the air intake system. Such
fluid could cause immediate explosive damage to the engine and possible
personal injury.
If you should experience cold weather starting problems on E
85
ethanol,
and neither an alternative brand of E
85
ethanol nor an engine block
2008 F-150 (f12)
Owners Guide (post-2002-fmt)
USA (fus)
Driving
261
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