P0303 Code: 2024 Lincoln – What It Means & Cost to Fix

2024 Lincoln Aviator P0303: Cylinder 3 Misfire Troubleshooting Guide

When your 2024 Lincoln Aviator displays the P0303 code, the powertrain control module has identified consistent misfires in cylinder 3. The 2024 Aviator continues with the refined 3.0L twin-turbocharged V6.

2024 Aviator Powertrain Options

The 2024 Aviator offers the 3.0L twin-turbo V6 (400 hp) or Grand Touring PHEV (494 hp combined). Both share the same base engine architecture with cylinder 3 on one bank.

Typical Causes

  • Ignition Coil Problems: High boost levels stress ignition
  • Spark Plug Condition: Turbo requires specific plugs
  • Boost System Integrity: Leaks cause lean conditions
  • Fuel Injector Issues: Direct injection concerns
  • Carbon Deposits: GDI valve accumulation

Diagnostic Process

Use Ford diagnostics for detailed access. Monitor boost and misfire data. Test ignition components systematically. For PHEV models, ensure hybrid system isn't affecting diagnosis.

Repair Recommendations

Replace faulty ignition coils with Motorcraft parts. Install Ford-specified spark plugs. Repair boost leaks. Dealer service ensures warranty coverage.

Parts & Tools for This Case

Based on our investigation, these parts may be needed for this repair.

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