The P0303 diagnostic trouble code on your 2024 Lincoln Nautilus indicates the powertrain control module has detected consistent misfires in cylinder 3. The completely redesigned 2024 Nautilus features new powertrain options.
2024 Nautilus Powertrains
The redesigned 2024 Nautilus offers new turbocharged four-cylinder options. Cylinder 3 is the third from the front on inline-4 configurations. The all-new platform requires updated diagnostic approaches.
Typical Causes
- Ignition Coil Problems: Turbo applications stress ignition
- Spark Plug Condition: Turbo engines require specific plugs
- Boost System Integrity: Leaks cause lean misfires
- Fuel Injector Issues: Direct injection concerns
- Software Calibration: First model year may have updates
Diagnostic Process
Use Ford diagnostics for detailed access to the new platform. Monitor boost and misfire data. Check for TSBs addressing new model issues. Test ignition components systematically.
Repair Recommendations
Replace faulty ignition coils with Motorcraft parts. Install properly specified spark plugs. Repair boost leaks. Dealer service ensures warranty coverage on the new platform.