The P0306 diagnostic code on your 2024 Infiniti QX60 indicates a cylinder 6 misfire condition. The QX60's 3.5L V6 engine (VQ35DD) produces 295 horsepower and has six cylinders, making this a valid diagnostic code requiring attention.
2024 QX60 Powertrain
The 2024 Infiniti QX60 continues with the 3.5L direct-injected V6 (VQ35DD) paired with a 9-speed automatic transmission. This modern engine features direct injection for optimal efficiency, though this technology can contribute to intake carbon buildup over time.
Common Causes of Cylinder 6 Misfire
- Ignition Coil Degradation: Coil-on-plug failure
- Spark Plug Wear: Worn electrodes requiring replacement
- Direct Injector Issues: Clogging or mechanical failure
- Intake Carbon Buildup: Valve deposits affecting sealing
- Vacuum Leaks: Intake manifold or gasket issues
- Mechanical Problems: Low compression from internal wear