{"nhtsa_id":11028516,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-06","date":"2026-02-01","document_id":"A26-002","mfr_campaign":null,"replaces":null,"component":"ENGINE","mfr_system":null,"summary":"Service Bulletin - The piston ring function deteriorates due to ring low wear toughness and sticking from sludge. Oil adheres to the spark plug leading to carbon fouling and misfire. This can set DTCs P0301 No. 1 cylinder misfire detected, P0302 No. 2 cylinder misfire detected, P0303 No. 3 cylinder misfire detected, P0304 No. 4 cylinder misfire detected, and cause the MIL to come on.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028516-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028516-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028516","components":[{"id":"engine","name":"Engine","parent":null}],"codes":["P0301","P0302","P0303","P0304"],"topics":[],"vehicles":[{"make":"HONDA","model":"PILOT","year_from":2013,"year_to":2015,"match":"exact","vehicle_ids":["2013_honda_pilot","2014_honda_pilot","2015_honda_pilot"]}],"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":[]}