{"nhtsa_id":53021,"type":"service_bulletin","type_name":"Service bulletin","date_added":"1997-11-06","date":"1997-05-01","document_id":"970501776515","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"INFORMATION BASED ON ENGINE IDLE SURGE, OR MIL (MALFUNCTION INDICATOR LAMP) ILLUMINATED WITH DTC (DIAGNOSTIC TROUBLE CODE) P0131, P0171 OR 44 SET. *YC","document":null,"url":"https://open.wenmarpro.com/bulletins/53021","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0131","P0171"],"topics":[],"vehicles":[{"make":"BUICK","model":"PARK AVENUE","year_from":1992,"year_to":1995,"match":"exact","vehicle_ids":["1992_buick_park-avenue","1993_buick_park-avenue","1994_buick_park-avenue","1995_buick_park-avenue"]},{"make":"BUICK","model":"RIVIERA","year_from":1995,"year_to":1995,"match":"exact","vehicle_ids":["1995_buick_riviera"]},{"make":"OLDSMOBILE","model":"98","year_from":1992,"year_to":1995,"match":null,"vehicle_ids":[]},{"make":"PONTIAC","model":"BONNEVILLE","year_from":1992,"year_to":1995,"match":"exact","vehicle_ids":["1992_pontiac_bonneville","1993_pontiac_bonneville","1994_pontiac_bonneville","1995_pontiac_bonneville"]}],"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":[]}