{"vehicle":{"id":"2020_dodge_durango","year":2020,"make":"Dodge","model":"Durango"},"code":"P0304","generic":true,"description":null,"bulletins":{"as_of":"2026-10-19","count":3,"bulletins":[{"nhtsa_id":11018482,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2025-05-20","date":"2025-05-18","document_id":"09-011-25","mfr_campaign":null,"component":"ENGINE","summary":"\"Misfire Diagnostic Trouble Codes (DTCs), Rough Idle, Valvetrain Noise Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): ● P0301 - Cylinder 1 Misfire. ● P0302 - Cylinder 2 Misfire. ● P0303 - Cylinder 3 Misfire. ● P0304 - Cylinder 4 Misfire. ● P0305 - Cylinder 5 Misfire. ● P0306 - Cylinder 6 Misfire. Customers may comment on one or more of the following: ● Rough idle. ● Valvetrain noise. \"","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018482-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2025/MC-11018482-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11018482"},{"nhtsa_id":10187706,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-01","date":"2020-12-12","document_id":"09-013-20 REV. A","mfr_campaign":null,"component":"EQUIPMENT; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:COIL:SPARK PLUGS; ENGINE","summary":"3.6L Pentastar Upgrade Spark Plug Internal Crack This bulletin involves replacing all six spark plugs. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. Customers may also comment on the following:Rough running engine.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10187706-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10187706-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10187706"},{"nhtsa_id":10187686,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2021-03-01","date":"2020-12-05","document_id":"09-013-20","mfr_campaign":null,"component":"ENGINE; EQUIPMENT; ELECTRICAL SYSTEM","summary":"3.6L Pentastar Upgrade Spark Plug Internal Crack This bulletin involves replacing all six spark plugs. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set:P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Misfire. P0306 - Cylinder 6 Misfire. Customers may also comment on the following: Rough running engine.","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10187686-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2020/MC-10187686-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/10187686"}],"url":"https://open.wenmarpro.com/makes/dodge/durango/2020/bulletins?code=P0304"},"related":{"components":[],"bulletins":[],"recalls":{"may_apply":true,"recalls":[],"lookup":{"nhtsa":"https://www.nhtsa.gov/recalls","tc":"https://wwwapps.tc.gc.ca/Saf-Sec-Sur/7/VRDB-BDRV/search-recherche/menu.aspx?lang=eng","maker":null}}},"url":"https://open.wenmarpro.com/makes/dodge/durango/2020/codes/P0304","note":"The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.","attribution":["Contains information licensed under the Open Government Licence – Canada."]}