{"nhtsa_id":10140443,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2018-06-11","date":"2018-05-22","document_id":"5NP-B4B6V-06","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM","mfr_system":null,"summary":"This bulletin provides the procedure to inspect the current spark plugs, replace all 4 spark plugs, check new spark plug gap, and clear Diagnostic Trouble Codes (DTC). This bulletin addresses the following conditions: ? DTC P0300 / P0301 / P0302 / P0303 / P0304 Random/Multiple Misfire. ? Engine runs rough.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10140443-9999.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2018/MC-10140443-0001.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10140443","components":[{"id":"electrical","name":"Electrical system","parent":null}],"codes":["P0300","P0301","P0302","P0303","P0304"],"topics":[],"vehicles":[{"make":"HYUNDAI","model":"ACCENT","year_from":2018,"year_to":2018,"match":"exact","vehicle_ids":["2018_hyundai_accent"]}],"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":[]}