{"nhtsa_id":620292,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-07-24","date":"2001-03-01","document_id":"13995","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:APPLIANCE:AIR CONDITIONER; VEHICLE SPEED CONTROL:CRUISE CONTROL","mfr_system":null,"summary":"SOME VEHICLES EQUIPPED WITH 4.0L SOHC MAY EXHIBIT A HIGHER THAN NORMAL BASE IDLE SPEED OF 1200-1400 RPM WHEN THE VEHICLE IS INITIALLY RECEIVED FROM THE ASSEMBLY PLANT. THIS HIGHER BASE IDLE STRAGETY IS NOW USED DURING PLANT / TRANSPORTATION OPERATION TO PREVENT SPARK PLUG FOULING. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620292","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"hvac","name":"Heating and air conditioning","parent":null},{"id":"speed-control","name":"Throttle and cruise control","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"EXPLORER SPORT","year_from":2001,"year_to":2001,"match":"base","vehicle_ids":["2001_ford_explorer"]},{"make":"FORD","model":"EXPLORER SPORT TRAC","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_ford_explorer-sport-trac"]},{"make":"FORD","model":"RANGER","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_ford_ranger"]},{"make":"MERCURY","model":"MOUNTAINEER","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_mercury_mountaineer"]},{"make":"NISSAN DIESEL","model":"UD1800","year_from":1999,"year_to":1999,"match":null,"vehicle_ids":[]},{"make":"UD","model":"UD1200","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_ud_ud1200"]},{"make":"UD","model":"UD1400","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_ud_ud1400"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}