{"nhtsa_id":39823,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1995-11-01","date":"1995-03-01","document_id":"SFA/94L04","mfr_campaign":null,"replaces":null,"component":"EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL","mfr_system":null,"summary":"SPECIAL FIELD ACTION - 94L04 - RANGERS EQUIPPED WITH 2.3L DUAL SPARK PLUG ENGINES, MAY NOT HAVE HAD THE SPARK PLUGS CHANGED AT THE PROPER INTERVAL. TO ASSURE THAT ALL 8 SPARK PLUGS ARE REPLACED AT THE APPROPRIATE INTERVAL, A SERVICE REMINDER LABEL WILL BE MAILED TO OWNERS WITH INSTRUCTIONS FOR ATTATCHMENT. *TW","document":null,"url":"https://open.wenmarpro.com/bulletins/39823","components":[{"id":"equipment","name":"Equipment and accessories","parent":null},{"id":"labels-manuals","name":"Labels and manuals","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"RANGER","year_from":1989,"year_to":1991,"match":"exact","vehicle_ids":["1989_ford_ranger","1990_ford_ranger","1991_ford_ranger"]}],"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":[]}