Jeep 2007 wrangler Owner's Manual page 416

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416 MAINTENANCE SCHEDULES
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I
EMISSION CONTROL SYSTEM MAINTENANCE
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The "Scheduled" maintenance services, listed in bold
T
E type must be done at the times or mileages specified to
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assure the continued proper functioning of the emission
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control system. These, and all other maintenance services
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C included in this manual, should be done to provide best
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vehicle performance and reliability. More frequent main-
tenance may be needed for vehicles in severe operating
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C conditions such as dusty areas and very short trip
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driving.
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Inspection and service also should be done any time a
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malfunction is suspected.
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E
NOTE: Maintenance, replacement, or repair of the emis-
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sion control devices and systems on your vehicle may be
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performed by any automotive repair establishment or
individual using any automotive part, which has been
certified pursuant to U.S. EPA or, in the State of Califor-
nia, California Air Resources Board regulations.
MAINTENANCE SCHEDULES
There are two maintenance schedules that show the
required service for your vehicle.
First is Schedule B . It is for vehicles that are operated
under the conditions that are listed below and at the
beginning of the schedule.
• Day or night temperatures are below 32°F (0°C)
• Stop and go driving
• Excessive engine idling
• Driving in dusty conditions
• Short trips of less than 10 miles (16.2 km)
• More than 50% of your driving is at sustained high
speeds during hot weather, above 90°F (32°C)
I n f o r ma t i o n P r o v i d e d b y :