{"nhtsa_id":634249,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2002-09-28","date":"2002-08-01","document_id":"020604045","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE:GASOLINE","mfr_system":null,"summary":"SUBJECT REGARDING REVISED DTC P0327 - THIS BULLETIN IS BEING ISSUED TO REVISE STEP 3 OF DTC P0327 IN THE ENGINE CONTROLS. NLM","document":null,"url":"https://open.wenmarpro.com/bulletins/634249","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0327"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CAVALIER","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_chevrolet_cavalier"]},{"make":"OLDSMOBILE","model":"ALERO","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_oldsmobile_alero"]},{"make":"PONTIAC","model":"GRAND AM","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_pontiac_grand-am"]},{"make":"PONTIAC","model":"SUNFIRE","year_from":2002,"year_to":2002,"match":"exact","vehicle_ids":["2002_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":[]}