{"nhtsa_id":628134,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-03-05","date":"2001-11-15","document_id":"151101","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"ONWERS MAY COMMENT ON A LIGHT HESITATION OR STUMBLE AFTER A COLD START AT TEMPERATURES BELOW APPROXIMATELY 50 DEGREEES FAHRENHEIT OR TEN DEGREES C. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/628134","components":[{"id":"engine","name":"Engine","parent":null}],"codes":[],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CAVALIER","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_chevrolet_cavalier"]},{"make":"CHEVROLET","model":"MALIBU","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_chevrolet_malibu"]},{"make":"OLDSMOBILE","model":"ALERO","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_oldsmobile_alero"]},{"make":"PONTIAC","model":"GRAND AM","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_pontiac_grand-am"]},{"make":"PONTIAC","model":"SUNFIRE","year_from":1999,"year_to":1999,"match":"exact","vehicle_ids":["1999_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":[]}