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P2096: Post Catalyst Fuel Trim System Too Lean Bank 1
The downstream oxygen sensor data suggests the exhaust after the catalytic converter is lean.
Common causes
- Exhaust leak
- Weak fuel delivery
- Oxygen sensor issue
- Catalyst efficiency issue
This free page explains the code. A Shop Brief adapts the next steps to your year, make, model, and full code stack.
Related codes:
P0420P0171P0133 Pricing Sample brief