{"nhtsa_id":630183,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-04-15","date":"2001-10-01","document_id":"15285","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"SOME VEHICLES EQUIPPED WITH A 4.6L OR 5.4L ENGINE MAY EXHIBIT AN ENGINE VIBRATION / ROUGH ENGINE AT IDLE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/630183","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"FORD","model":"F-150","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_ford_f-150"]}],"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":[]}