{"nhtsa_id":633491,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-09-23","date":"2002-06-01","document_id":"02T48","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL","mfr_system":null,"summary":"SUBJECT REGARDING MASS AIR FLOW SENSOR FAILURE DUE TO OIL CONTAMINATION OF SENSOR MEMBRANE (INSTALL NEW MASS AIR FLOW (MAF) SENSOR AND UPDATE ELECTRONIC CONTROL MODULE CALIBRATION) *JG","document":null,"url":"https://open.wenmarpro.com/bulletins/633491","components":[{"id":"engine","name":"Engine","parent":null},{"id":"exhaust-emissions","name":"Exhaust and emissions","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"SATURN","model":"LS","year_from":2000,"year_to":2002,"match":"exact","vehicle_ids":["2000_saturn_ls","2001_saturn_ls","2002_saturn_ls"]}],"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":[]}