{"nhtsa_id":10010125,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2004-11-04","date":"2004-01-01","document_id":"3111","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING:ENGINE","mfr_system":null,"summary":"ENGINE MISFIRE WITH DIAGNOSTIC TROUBLE CODE P0300,301,302,303,304,305 AND 306 SETTING. 2005 CHEVROLET TRAIL BLAZER AND 2005 BUICK RAINIER. *JB","document":null,"url":"https://open.wenmarpro.com/bulletins/10010125","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0300"],"topics":[],"vehicles":[{"make":"GMC","model":"ENVOY","year_from":2005,"year_to":2005,"match":"exact","vehicle_ids":["2005_gmc_envoy"]}],"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":[]}