The P0304 diagnostic trouble code on your 2022 Ford F-150 indicates the powertrain control module has detected consistent misfires in cylinder 4. The 14th generation F-150 offers multiple engine choices.
2022 F-150 Engine Options
The 2022 F-150 offers the 3.3L V6, 2.7L EcoBoost V6, 3.5L EcoBoost V6, 5.0L V8, and PowerBoost hybrid. Cylinder 4 location varies by engine—on V6s it's on one bank, on the V8 it's on the driver's side.
Typical Causes
- Ignition Coil Problems: EcoBoost turbos stress coils
- Spark Plug Condition: Engine-specific requirements
- Boost System Integrity: EcoBoost sensitive to leaks
- Fuel Injector Issues: Direct injection deposits
- Carbon Accumulation: Common in direct injection
Diagnostic Process
Use Ford diagnostics for detailed access. Identify your engine type. Monitor boost on EcoBoost. Test ignition components systematically.
Repair Recommendations
Replace faulty ignition coils with Motorcraft parts. Install properly specified spark plugs. Repair boost leaks. Carbon cleaning may help.