2007 Dodge Durango Owner's Manual - Page 422

M A I N T E N A N C E 422 MAINTENANCE SCHEDULES EMISSION CONTROL SYSTEM MAINTENANCE The "Scheduled" maintenance services, listed in bold type on the following pages must be done at the times or mileages specified to assure the continued proper functioning of the emission control system. These, and all other maintenance services included in this manual, should be done to provide best vehicle performance and S reliability. More frequent maintenance may be needed for C vehicles in severe operating conditions such as dusty H areas and very short trip driving. E D U L E S 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. • Extensive engine idling. • Driving in dusty conditions. • Short trips of less than 10 miles (16 km). • More than 50% of your driving is at sustained high speeds during hot weather, above 90° F (32° C). • Trailer towing. • Taxi, police, or delivery service (commercial service). Inspection and service also should be done any time a malfunction is suspected. NOTE: Maintenance, replacement, or repair of the emission control devices and systems on your vehicle may be 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 California, California Air Resources Board regulations. 8