{"nhtsa_id":10004001,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-11-12","date":"2003-10-01","document_id":"013","mfr_campaign":null,"replaces":"013","component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"LOW AMBIENT HARD START IN ALL 2003 AND SOME 2004 1.6 DOHC MODELS. REVISED. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10004001","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"KIA","model":"RIO","year_from":2003,"year_to":2003,"match":"exact","vehicle_ids":["2003_kia_rio"]}],"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":[]}