{"nhtsa_id":10016801,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2005-10-11","date":"2005-09-01","document_id":"022","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"SIGMA 3.5 ENGINE SPARK PLUG & IGNITION COIL INSPECTION PROCEDURE. KIA SEDONA, SORENTO, AMANTI. MODEL YEAR UNKNOWN. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10016801","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"UNKNOWN","model":"UNKNOWN","year_from":null,"year_to":null,"match":null,"vehicle_ids":[]}],"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":[]}