{"nhtsa_id":10084102,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2016-11-08","date":"2013-06-01","document_id":"LI3824E","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM","mfr_system":null,"summary":"EXCESSIVE REGENERATION IS CAUSING ENGINE CARBON ACCUMULATION.","document":null,"url":"https://open.wenmarpro.com/bulletins/10084102","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"NOVA BUS","model":"LFS","year_from":2007,"year_to":2008,"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":[]}