2003 Ford Excursion Diesel Supplement 2nd Printing - Page 7

2003 Ford Excursion Manual

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Diesel information Always use the underhood air filter restriction gauge to determine when the air filter element needs to be changed. The warning light on the instrument cluster should not be used exclusively for determining when the air filter element needs changing. After servicing the air filter element, reset the restriction gauge by pressing the button on the end of the gauge. Note: If the vehicle is operated in a heavy snow storm, in blowing snow or the vehicle is equipped with a snowplow, the engine air filter element may become partially clogged with snow and/or ice. If this occurs, the air filter restriction gauge will move to the CHANGE FILTER mark and the engine may experience a significant reduction in power output. The vehicle may be driven under these conditions for up to 400 km (250 miles) without damage to the engine or related components. At the earliest opportunity, clear all snow and ice from the air induction system reset the restriction gauge by pressing the button on the end of the gauge. If the air filter restriction gauge moves to the CHANGE FILTER mark after clearing snow and/or ice, replace the air filter element. The air filter warning light on the instrument cluster may be used, in addition to the underhood restriction gauge, to monitor the condition of the air filter element. Refer to the Warning lights chapter. 7

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Always use the underhood air filter restriction gauge to
determine when the air filter element needs to be changed. The
warning light on the instrument cluster should not be used
exclusively for determining when the air filter element needs
changing.
After servicing the air filter element,
reset the restriction gauge by
pressing the button on the end of
the gauge.
Note:
If the vehicle is operated in a heavy snow storm, in blowing snow
or the vehicle is equipped with a snowplow, the engine air filter element
may become partially clogged with snow and/or ice. If this occurs, the air
filter restriction gauge will move to the CHANGE FILTER mark and the
engine may experience a significant reduction in power output. The
vehicle may be driven under these conditions for up to 400 km (250 miles)
without damage to the engine or related components.
At the earliest opportunity, clear all snow and ice from the air induction
system reset the restriction gauge by pressing the button on the end of
the gauge. If the air filter restriction gauge moves to the CHANGE
FILTER mark after clearing snow and/or ice, replace the air filter
element.
The air filter warning light on the instrument cluster may be used, in
addition to the underhood restriction gauge, to monitor the condition of
the air filter element. Refer to the
Warning lights
chapter.
Diesel information
7