High Altitude Counties Information List

STATE OF COLORADO
Adams Alamosa Arapahoe Archuleta Boulder Chaffee Cheyenne Clear Creek Conejos Costillo Crowley Custer Delta Denver Dolores Douglas Eagle Elbert El Paso
Fremont Garfield Gilpin Grand Gunnison Hinsdale Huerfano Jackson Jefferson Kit Carson Lake La Plata Larimer Las Animas Lincoln Mesa Mineral Moffat
Montezuma Montrose Morgan Otero Ouray Park Pitkin Pueblo Rio Blanco Rio Grande Routt Saguache San Juan San Miguel Summit Teller Washington Weld
STATE OF NEVADA
Carson City Douglas Elko Esmeralda Eureka
Humboldt Lander Lincoln Lyon Mineral
Nye Pershing Storey Washoe White Pine
STATE OF NEW MEXICO
Bernalillo Catron Colfax Curry DeBaca Grant Guadalupe Harding Idalgo
Lincoln Los Alamos Luna McKinley Otero Mora Rio Arriba Roosevelt Sandoval
San Juan San Miguel Sante Fe Sierra Socorro Taos Torrance Union Valencia
STATE OF UTAH
Beaver Box Elder Cache Carbon Daggett Davis Duchesne Emery Garfield Grand
Iron Juab Kane Millard Morgan Piute Rich Salt Lake San Juan
Sanpete Sevier Summit Tooele Uintah Utah Wasatch Wayne Weber
After performing these adjustments, dealers should advise customers that, IF THE VEHICLE IS RETURNED TO CONTINUOUS, LOW ALTITUDE OPERATION THE ENGINE SHOULD BE RE-ADJUSTED TO LOW ALTITUDE SPECIFICATION PER THE CORRECT CHASSIS SERVICE MANUAL FOR IMPROVED PERFORMANCE. IF RE-ADJUSTED TO LOW ALTITUDE SPECIFICATIONS, THE SUPPLEMENTAL LABEL SHOULD BE REMOVED.