{"nhtsa_id":623545,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2001-10-29","date":"2001-06-26","document_id":"260601","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"VEHICLES MAY EXPERIENCE HESITATION OR STUMBLE AFTER COLD STARTS.*JB","document":null,"url":"https://open.wenmarpro.com/bulletins/623545","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CAVALIER","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_chevrolet_cavalier"]},{"make":"OLDSMOBILE","model":"ALERO","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_oldsmobile_alero"]},{"make":"PONTIAC","model":"GRAND AM","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_pontiac_grand-am"]},{"make":"PONTIAC","model":"SUNFIRE","year_from":2001,"year_to":2001,"match":"exact","vehicle_ids":["2001_pontiac_sunfire"]}],"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":[]}