{"nhtsa_id":10001771,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-06-25","date":"2003-05-01","document_id":"0303S003","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL","mfr_system":null,"summary":"IDLE AIR CONTROL VALVE (IACV) HISSING NOISE. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10001771","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"ISUZU","model":"HOMBRE","year_from":1999,"year_to":2000,"match":"exact","vehicle_ids":["1999_isuzu_hombre","2000_isuzu_hombre"]}],"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":[]}