1997 Ford Expedition Owner's Manual - Page 195

1997 Ford Expedition Manual

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Maintenance and care Important emission control information By law, anyone who manufacturers, repairs, services, leases, trades vehicles or supervises a fleet of vehicles is not permitted to intentionally remove an emission control device or prevent it from working. Do not make any unauthorized changes to the vehicle or engine. Changes that cause more unburned fuel to reach the exhaust system can increase the temperature of the engine or exhaust system. When your vehicle is serviced, never use a metal exhaust collector. The use of a metal collector may melt or deform plastic parts. Do not park, idle, or drive your vehicle in dry grass or other dry ground cover. The emission system heats up the engine compartment and exhaust system, which can start a fire. Preparing your vehicle for inspection/maintenance (I/M) testing In some localities it may be a legal requirement to pass an I/M test of the on-board diagnostic (OBD II) system. If your vehicle's powertrain system or battery has just been serviced, the OBD II system is reset to a condition unready for I/M testing. To ready the OBD II system for I/M testing, the law 196

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Important emission control
information
By law, anyone who manufacturers,
repairs, services, leases, trades
vehicles or supervises a fleet of
vehicles is not permitted to
intentionally remove an emission
control device or prevent it from
working. Do not make any
unauthorized changes to the
vehicle or engine. Changes that
cause more unburned fuel to reach
the exhaust system can increase
the temperature of the engine or
exhaust system.
When your vehicle is serviced,
never use a metal exhaust
collector. The use of a metal
collector may melt or deform
plastic parts.
Do not park, idle, or drive
your vehicle in dry grass
or other dry ground cover. The
emission system heats up the
engine compartment and exhaust
system, which can start a fire.
Preparing your vehicle for
inspection/maintenance (I/M)
testing
In some localities it may be a legal
requirement to pass an I/M test of
the on-board diagnostic (OBD II)
system. If your vehicle’s powertrain
system or battery has just been
serviced, the OBD II system is
reset to a condition unready for
I/M testing. To ready the OBD II
system for I/M testing, the law
Maintenance and care
196