1997 Ford F150 Owner Guide 1st Printing - Page 195

1997 Ford F150 Manual

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Maintenance and care Important emission control information By law, anyone who manufacturers, repairs, services, sells, 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. Preparing your vehicle for inspection/maintenance testing In some localities it may become a legal requirement to pass an Inspection/Maintenance test of the on-board diagnostic (OBDII) system. If the vehicle's powertrain system or battery has just been serviced, the OBD II system is reset to a "not ready for I/M testing condition." To ready the OBD II system for I/M testing, the law specifies that additional mixed city and highway driving is necessary to complete the check of the OBD II system. The driving modes required to reach the ready condition consist of a minimum of 30 minutes of city and highway driving as described below: 196

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Important emission control
information
By law, anyone who manufacturers,
repairs, services, sells, 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.
Preparing your vehicle for
inspection/maintenance testing
In some localities it may become a
legal requirement to pass an
Inspection/Maintenance test of the
on-board diagnostic (OBDII)
system. If the vehicle’s powertrain
system or battery has just been
serviced, the OBD II system is
reset to a “not ready for I/M
testing condition.” To ready the
OBD II system for I/M testing, the
law specifies that additional mixed
city and highway driving is
necessary to complete the check of
the OBD II system.
The driving modes required to
reach the ready condition consist
of a minimum of 30 minutes of city
and highway driving as described
below:
Maintenance and care
196