Maintenance and Care
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[MC42450(R)01/96]
Information about your vehicle’s emission control system is on
the Vehicle Emission Control Information decal located on or
near the engine. This decal identifies engine displacement and
gives some tune-up specifications.
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[MC42460(R)03/96]
How to Prepare Your Vehicle for
Inspection/Maintenance (I/M) Testing
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[MC42470(R)04/96]
In some localities it may become a legal requirement to pass an
Inspection/Maintenance (I/M) test of the On-Board Diagnostic
(OBD) II system. If your check engine light is on, reference the
check engine light description under the Warning Lights and
Gauges section. Your vehicle may not pass an I/M test with the
check engine light on. If the vehicle’s powertrain system or its
battery has just been serviced, the OBD II system is reset to a
not ready for I/M testing condition. To prepare for I/M testing,
additional city and highway driving is necessary to complete the
check of the OBD II system.
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[MC43000(R)05/96]
The driving modes required to reach the ready condition consist
of a minimum of 30 minutes of city and highway driving as
described below:
[MC43100(R)03/96]
■ 20 minutes of driving in stop and go city-type traffic with at
least four (4) idle periods.
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[MC43200(R)03/96]
■ 10 minutes of driving on an expressway or highway
[MC43300(R)03/96]
Before completing the above driving modes, the engine must be
warmed up and operating temperature. Once started, the vehicle
must not be turned off during the above driving modes. If the
vehicle owner is unable to meet the I/M requirements by using
these driving patterns, an authorized service center can perform
a detailed OBD II Drive Cycle as it would any other type of
repair work.
File:11unmcr.ex
Update:Thu Mar 20 08:58:43 1997
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