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AIR FILTER CHECK
Refer to Scheduled Maintenance Information for the appropriate
intervals for changing the air filter element.
When changing the air filter element, use only the Motorcraft® air filter
element listed. Refer to the Motorcraft® Part Numbers.
The following procedure is for vehicles equipped with a gasoline engine.
If your vehicle is equipped with a diesel engine, refer to the diesel
supplement.
Note: Do not start your engine with the air cleaner removed and do not
remove it while the engine is running.
Note: Failure to use the correct air filter element may result in severe
engine damage. The customer warranty may be void for any damage to
the engine if the correct air filter element is not used.
Changing the Air Filter Element
1. Locate the mass air flow sensor
electrical connector on the air
outlet tube. This connector will
need to be unplugged.
2. Reposition the locking clip on the
connector (connector shown from
below for clarity), squeeze the
connector and pull it off of the air
outlet tube.
Maintenance 317
2013 F-250/350/450/550 (f23)
Owners Guide gf, 1st Printing
USA (fus)
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