The P0304 diagnostic trouble code on your 2022 Honda CR-V indicates the powertrain control module has detected consistent misfires in cylinder 4. The 5th generation CR-V offers turbocharged and hybrid options.
2022 CR-V Engine Options
The 2022 CR-V offers the 1.5L turbocharged four-cylinder (190 hp) or 2.0L hybrid system (212 hp). Cylinder 4 is the rearmost on both inline-4 configurations.
Typical Causes
- Ignition Coil Problems: Turbo boost stresses ignition
- Spark Plug Condition: Must match turbo specifications
- Boost System Integrity: Leaks cause lean misfires
- Fuel Injector Issues: Direct injection deposits
- Carbon Accumulation: GDI valve deposits
Diagnostic Process
Use Honda diagnostic equipment for detailed access. Monitor misfire counts and boost data. Test ignition components systematically. Check for carbon buildup symptoms.
Repair Recommendations
Replace faulty ignition coils with OEM parts. Install properly specified spark plugs. Repair boost leaks. Carbon cleaning may be beneficial at higher mileages.