Ford F-250 Light Duty 1997

User Manual - Page 179

For F-250 LIGHT DUTY 1997.

PDF File Manual, 219 pages, Download pdf file

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have the charging system checked
for a possible malfunction.
Your vehicle is equipped with a
battery saver feature designed to
prevent your battery from
accidental wear down due to doors
left ajar. For information on this
system, refer to the Controls and
features chapter.
Relearning idle conditions
Because your vehicle’s engine is
electronically controlled by a
computer, some control conditions
are maintained by power from the
battery. When the battery is
disconnected or a new battery is
installed, the computer must
“relearn” its idle conditions before
your vehicle will drive properly. To
complete this process:
1. Put the gearshift in P
(Park)(automatic transmission) or
N (Neutral)(manual transmission).
2. Turn off all accessories, and
start the engine.
3. Let the engine idle for at least
one minute.
4. The relearning process will
automatically complete as you
drive the vehicle.
If you do not allow the engine to
relearn its idle, the idle quality
of your vehicle may be adversely
affected until the idle is
eventually relearned.
If the battery has been
disconnected or a new battery
has been installed, the clock and
Maintenance and care
180
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