P0304 on Dodge vehicles Cylinder 4 is misfiring
P0304 is named on 10 Dodge model years (2017–2025): 13 manufacturer filings and 2 owner reports in NHTSA’s files, across Durango, Charger, Hornet.
Which Dodge model years name P0304
Source: NHTSA manufacturer communications and complaints| Model year | Filed under | Bulletins | Owner reports |
|---|---|---|---|
| 2021 Dodge Durango | Electrical System | 3 | — |
| 2020 Dodge Durango | Engine | 3 | — |
| 2019 Dodge Durango | Engine | 1 | 1 |
| 2025 Dodge Durango | Engine | 1 | — |
| 2024 Dodge Durango | Engine | 1 | — |
| 2023 Dodge Durango | Engine | 1 | — |
| 2023 Dodge Hornet | Engine | 1 | — |
| 2022 Dodge Durango | Engine | 1 | — |
| 2018 Dodge Durango | Engine | 1 | — |
| 2017 Dodge Charger | Engine | — | 1 |
A model year is listed because the code is named in its own record — a bulletin filed against it, or an owner’s complaint about it — not because every one of these vehicles sets it. Counts are documents in NHTSA’s files, not failure rates.
Dodge filings that name P0304
Source: NHTSA manufacturer communicationsBulletins and campaigns Dodge filed with NHTSA whose summary names P0304. Quote the document number at the service desk — it is a diagnosis the maker has already written down.
- 09-013-20 Service bulletin2020-12-05 · Electrical System
- 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 - Cyli
- 09-013-20 REV. A Service bulletin2020-12-12 · Electrical System
- 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 - Cyli
- 09-011-25 Service bulletin2025-05-18 · Engine
- "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 - Cy
- 1807923 Service bulletin2023-06-29 · Engine And Engine Cooling
- Engine Misfire P0300, P0301, P0302, P0303, P0304 Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P0300 - Random Engine Misfire.8 ? P0301 - Cylinder 1 Misfire. ? P0302 - Cylinder 2 Misfire. ? P0303 - Cylinder 3 Misfire. ? P0304 - Cylinder 4
What P0304 means
Source: SAE J2012 / OBD-IICylinder 4 is misfiring.
A stored code names the test that failed, never the part that caused it. The record above is what Dodge and its owners have filed about it; the code’s page across every make has the whole file.
Common questions
Source: NHTSA files and the OBD-II standardIs P0304 a known problem on Dodge vehicles?
It is a documented one: NHTSA's files hold 13 manufacturer filings and 2 owner reports naming P0304 on 10 Dodge model years (2017–2025). Whether it is a problem on one particular car is a diagnosis, not a count — but a bulletin that names the code on your model year is the place to start.
Which Dodge models does P0304 appear on most?
2021 Durango (3 documents), 2020 Durango (3 documents), 2019 Durango (2 documents).
Does P0304 on a Dodge mean it is recalled?
No. Recalls are filed by campaign and matched by VIN; no recall is triggered by a scan tool. Check the VIN at nhtsa.gov/recalls, or open the model year's page here for the campaigns filed against it.