Owner Manual Sedan
Page 299
..., the PCV valve and passages may be necessary. Replace if necessary. Should an excessive amount of engine backfire. The fuel filters are located inside the fuel tank. Air Cleaner Element (Filter) Under normal driving conditions, replace the filter at the intervals shown on Schedule "B". If, however, you drive the vehicle frequently under dusty or severe conditions...
..., the PCV valve and passages may be necessary. Replace if necessary. Should an excessive amount of engine backfire. The fuel filters are located inside the fuel tank. Air Cleaner Element (Filter) Under normal driving conditions, replace the filter at the intervals shown on Schedule "B". If, however, you drive the vehicle frequently under dusty or severe conditions...