2003 Ford Excursion Diesel Supplement 2nd Printing - Page 9

2003 Ford Excursion Manual

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Page 9 highlights

Warning lights Do not drain the HFCM while the engine is running. Fuel may ignite if the separator is drained while the engine is running or the vehicle is moving. ENGINE AIR FILTER The engine air filter warning light illuminates when the air filter restriction gauge reaches the CHANGE FILTER mark. The condition should be verified by inspecting the underhood air filter restriction gauge; the warning light is only a secondary indicator. Always use the underhood air filter restriction gauge to determine when the air filter element needs to be changed The vehicle may be driven with the engine air filter warning light illuminated/or when the underhood air filter restriction gauge has moved to the CHANGE FILTER mark for up to 400 km (250 miles) without damaging the engine or related components. However, the air filter element must be replaced at the earliest opportunity. Refer to Air filter restriction gauge in the Diesel information chapter for more information. 9

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Do not drain the HFCM while the engine is running. Fuel may
ignite if the separator is drained while the engine is running or
the vehicle is moving.
ENGINE AIR FILTER
The engine air filter warning light
illuminates when the air filter
restriction gauge reaches the
CHANGE FILTER mark.
The condition should be verified by inspecting the underhood air filter
restriction gauge; the warning light is only a secondary indicator. Always
use the underhood air filter restriction gauge to determine when the air
filter element needs to be changed
The vehicle may be driven with the engine air filter warning light
illuminated/or when the underhood air filter restriction gauge has moved
to the CHANGE FILTER mark for up to 400 km (250 miles) without
damaging the engine or related components. However, the air filter
element must be replaced at the earliest opportunity. Refer to
Air filter
restriction gauge
in the
Diesel information
chapter for more
information.
Warning lights
9