A P0303 diagnostic code on your 2022 Volvo XC60 indicates the engine control module has detected repeated misfires in cylinder 3. The mid-size SUV uses Volvo's modular 2.0L four-cylinder engines.
XC60 Engine Options
The 2022 XC60 offers turbocharged (T5/B5), turbo+supercharged (T6/B6), and plug-in hybrid (T8) variants. Cylinder 3 is the third from the front on this inline-4 configuration.
Common Causes
- Ignition Coil Failure: Forced induction stresses ignition components
- Spark Plug Issues: Twin-charged engines require specific plugs
- Boost System Leaks: Turbo and supercharger intake system
- Fuel Injector Problems: Direct injection deposits
- Supercharger Components: T6 drive belt and clutch
Diagnostic Approach
Use Volvo VIDA or compatible diagnostics for detailed access. Monitor boost and misfire data. Test ignition components systematically. Check supercharger operation on T6 models.
Repair Solutions
Replace failed ignition coils with OEM components. Install Volvo-specified spark plugs. Repair boost system leaks. Address supercharger issues on T6 models.