{"nhtsa_id":10163362,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2019-08-01","date":"2019-07-02","document_id":"01-012-19-3612","mfr_campaign":null,"replaces":null,"component":"ENGINE AND ENGINE COOLING","mfr_system":null,"summary":"Some vehicles may experience the Check Engine Light ON with DTC P0300:00, P0301:00, P0302:00, P0303:00 and/or P0304:00 stored in memory. P0300:00: Random misfire detected, P0301:00: Cylinder No.1 misfire detected, P0302:00: Cylinder No.2 misfire detected, P0303:00: Cylinder No.3 misfire detected, P0304:00: Cylinder No.4 misfire detected. Carbon may be deposited around the intake valves, resulting in unstable engine combustion and misfiring during the accelerated warm-up system (AWS) operation.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10163362-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2019/MC-10163362-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10163362","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0300","P0301","P0302","P0303","P0304"],"topics":[],"vehicles":[{"make":"MAZDA","model":"MAZDA3","year_from":2012,"year_to":2013,"match":"exact","vehicle_ids":["2012_mazda_mazda3","2013_mazda_mazda3"]}],"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":[]}