P0420 Code: 2022 Ford F-150 – What It Means & Cost to Fix

P0420 Code on 2022 Ford F-150: Catalyst Efficiency Guide

A P0420 diagnostic code on your 2022 Ford F-150 indicates that Bank 1's catalytic converter efficiency has fallen below acceptable levels. The 2022 F-150 offers multiple engine options with dual-bank exhaust systems.

2022 F-150 Engine Options

  • 3.3L V6: 290 hp
  • 2.7L EcoBoost V6: 325 hp
  • 3.5L EcoBoost V6: 400 hp
  • 5.0L V8: 400 hp
  • 3.5L PowerBoost Hybrid: 430 hp

All V6/V8 engines have dual exhaust banks - P0420 specifically affects Bank 1.

Common Causes

  • Converter Issues: Wear from truck use
  • O2 Sensor Problems: False codes
  • Exhaust Leaks: Loosened by truck vibration
  • Turbo Issues (EcoBoost): Affecting exhaust temps

Warranty Note

A 2022 F-150 should be under emissions warranty.

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