Post Catalyst Fuel Trim System Too Rich B1
The system downstream of the catalytic converter is running rich.
Informational only. Consult a qualified mechanic.
- Leaking fuel injector
- Catalytic converter issue
- Faulty O2 sensor
Inspect fuel injectors and catalytic converter.
What does P2097 mean?
The P2097 OBD-II diagnostic trouble code (DTC) indicates: post catalyst fuel trim system too rich b1. This is a medium-severity powertrain code that your vehicle's onboard diagnostics system triggers when the system downstream of the catalytic converter is running rich. If your check engine light is on with this code, the vehicle is generally safe to drive, but you should have it inspected soon.
Use Your Service Book to log this diagnostic trouble code to your vehicle's service history, track repairs, and get maintenance reminders — all for free.
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