{"nhtsa_id":620962,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-09-05","date":"2001-07-13","document_id":"190301NAS","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL","mfr_system":null,"summary":"TECHNICAL INFORMATION REGARDING MALFUNCTION INDICATOR LAMP ILLUMINATION FROM MASS AIR FLOW SENSOR. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/620962","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"LAND ROVER","model":"DISCOVERY II","year_from":null,"year_to":null,"match":"base","vehicle_ids":[]},{"make":"LAND ROVER","model":"RANGE ROVER","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_land-rover_range-rover"]}],"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":[]}