A P0303 diagnostic code on your 2022 Lincoln Nautilus indicates the engine control module has detected repeated misfires in cylinder 3. The mid-size luxury crossover offers two turbocharged engine options.
2022 Nautilus Engine Options
The 2022 Nautilus offers the 2.0L turbocharged four-cylinder (250 hp) or 2.7L twin-turbo V6 (335 hp). On the inline-4, cylinder 3 is third from the front. On the V6, cylinder 3 is on one bank.
Common Causes
- Ignition Coil Failure: Turbo applications stress ignition systems
- Spark Plug Issues: Both engines require turbo-spec plugs
- Boost System Leaks: Sensitive to intake and charge pipe leaks
- Fuel Injector Problems: Direct injection deposits
- Carbon Buildup: GDI technology leads to valve deposits
Diagnostic Approach
Identify your engine type first. Use Ford diagnostics for detailed access. Monitor boost pressure and misfire counts. Test ignition components systematically.
Repair Solutions
Replace failed ignition coils with Motorcraft components. Install engine-appropriate spark plugs. Repair boost system leaks. Address carbon buildup through professional cleaning.