{"nhtsa_id":10004317,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2003-12-02","date":"2003-10-01","document_id":"030604055","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"SERVICE ENGINE SOON/CHECK ENGINE LIGHT ILLUMINATED, MISFIRE OR ROUGHNESS, DIAGNOSTIC TROUBLE CODE (DTC) P0300 SET. *TT","document":null,"url":"https://open.wenmarpro.com/bulletins/10004317","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0300"],"topics":[],"vehicles":[{"make":"CHEVROLET","model":"CAVALIER","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_chevrolet_cavalier"]},{"make":"CHEVROLET","model":"TRAILBLAZER","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_chevrolet_trailblazer","2004_chevrolet_trailblazer"]},{"make":"GMC","model":"ENVOY","year_from":2003,"year_to":2004,"match":"exact","vehicle_ids":["2003_gmc_envoy","2004_gmc_envoy"]},{"make":"OLDSMOBILE","model":"ALERO","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_oldsmobile_alero"]},{"make":"OLDSMOBILE","model":"BRAVADA","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_oldsmobile_bravada"]},{"make":"PONTIAC","model":"GRAND AM","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_pontiac_grand-am"]},{"make":"PONTIAC","model":"SUNFIRE","year_from":2004,"year_to":2004,"match":"exact","vehicle_ids":["2004_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":[]}