A P0304 diagnostic code on your 2024 Ford F-150 indicates the engine control module has detected repeated misfires in cylinder 4. The F-150 offers multiple engine options requiring different diagnostic approaches.
2024 F-150 Engine Options
The 2024 F-150 offers the 3.5L EcoBoost V6 (400 hp), 5.0L Coyote V8 (400 hp), PowerBoost hybrid, and 3.5L High-Output EcoBoost (Raptor). Cylinder 4 location varies by engine configuration.
Common Causes
- Ignition Coil Failure: EcoBoost turbo stresses ignition
- Spark Plug Issues: Engine-specific requirements
- Boost System Leaks: EcoBoost models sensitive
- Fuel Injector Problems: Direct injection deposits
- Carbon Buildup: Common on direct injection engines
Diagnostic Approach
Use Ford IDS or FORScan for detailed diagnostics. Identify your engine type first. Monitor boost on EcoBoost models. Test ignition components systematically.
Repair Solutions
Replace failed ignition coils with Motorcraft components. Install engine-appropriate spark plugs. Repair boost leaks. Address carbon buildup through professional cleaning.