{"nhtsa_id":612157,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2000-06-06","date":"2000-02-01","document_id":"99034A","mfr_campaign":null,"replaces":"99034","component":"FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM","mfr_system":null,"summary":"SOME VEHICLES MAY EXPERIENCE A HARD START CONDITION, ROUGH RUNNING ENGINE, A SERVICE ENGINE SOON LIGHT, MISFIRE, NO START, STALLS OR CATALYTIC CONVERTER ODOR DUE TO FAILURE OF THE CENTRAL MULTIPORT FUEL INJECTION (CMFI) FUEL SYSTEM ALSO KNOWN AS CENTRAL PORT INJECTION (CPI). *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/612157","components":[{"id":"fuel-system","name":"Fuel system","parent":null},{"id":"fuel-injector","name":"Fuel injection","parent":"fuel-system"}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"L SERIES","year_from":1992,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"M SERIES","year_from":1992,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"S SERIES","year_from":1992,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"CHEVROLET","model":"T SERIES","year_from":1992,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"FORD","model":"L SERIES","year_from":1993,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"L SERIES","year_from":1992,"year_to":1992,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"M SERIES","year_from":1992,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"S SERIES","year_from":1992,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"GMC","model":"T SERIES","year_from":1992,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"OLDSMOBILE","model":"T SERIES","year_from":1992,"year_to":1994,"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":[]}