HomeDTC Codes › P2096

P2096 — Post Catalyst Fuel Trim System Too Lean (Bank 1)

The post-catalyst fuel trim indicates the engine is running lean after the catalytic converter.

Severity: MediumRepair: $100-$800Difficulty: Medium

Don't guess — diagnose P2096 the right way

ScanFixAI reads every module, finds the real root cause, and tells you exactly what to check.

Download ScanFixAI Free

Common symptoms of P2096

Common causes of P2096

Repair cost & difficulty

Typical cost to fix P2096: $100-$800 · Difficulty: Medium

Pro tip: Often appears alongside P0420. Check for exhaust leaks around the downstream O2 sensor bung.

Vehicles commonly affected

All makes

Related trouble codes

© 2026 ScanFixAI · AI-powered car diagnostics. All trouble codes · Home · Compare

ScanFixAI is a diagnostic aid, not a substitute for professional repair. Cost estimates are typical ranges and vary by vehicle and region.