{"nhtsa_id":603086,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1999-02-01","date":"1998-12-01","document_id":"876527","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"SOME VEHICLES EXPERIENCE ENGINE MISS/ POOR DRIVEABILITY SYMPTOMS. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/603086","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"BUICK","model":"ROADMASTER","year_from":1994,"year_to":1996,"match":"exact","vehicle_ids":["1994_buick_roadmaster","1995_buick_roadmaster","1996_buick_roadmaster"]},{"make":"CADILLAC","model":"FLEETWOOD","year_from":1994,"year_to":1996,"match":"exact","vehicle_ids":["1994_cadillac_fleetwood","1995_cadillac_fleetwood","1996_cadillac_fleetwood"]},{"make":"CHEVROLET","model":"CAMARO","year_from":1993,"year_to":1997,"match":"exact","vehicle_ids":["1993_chevrolet_camaro","1994_chevrolet_camaro","1995_chevrolet_camaro","1996_chevrolet_camaro","1997_chevrolet_camaro"]},{"make":"CHEVROLET","model":"CAPRICE","year_from":1994,"year_to":1996,"match":"exact","vehicle_ids":["1994_chevrolet_caprice","1995_chevrolet_caprice","1996_chevrolet_caprice"]},{"make":"CHEVROLET","model":"CORVETTE","year_from":1992,"year_to":1996,"match":"exact","vehicle_ids":["1992_chevrolet_corvette","1993_chevrolet_corvette","1994_chevrolet_corvette","1995_chevrolet_corvette","1996_chevrolet_corvette"]},{"make":"PONTIAC","model":"FIREBIRD","year_from":1993,"year_to":1997,"match":"exact","vehicle_ids":["1993_pontiac_firebird","1994_pontiac_firebird","1995_pontiac_firebird","1996_pontiac_firebird","1997_pontiac_firebird"]},{"make":"PONTIAC","model":"TRANS AM","year_from":1993,"year_to":1997,"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":[]}