P2097
Post Catalyst Fuel Trim System Too Rich Bank 1
P2097 is an OBD-II diagnostic trouble code meaning: Post Catalyst Fuel Trim System Too Rich Bank 1. Common causes: malfunction of the oxygen sensor after the catalyst, problems with fuel injectors. Estimated repair cost: $17–56.
Symptoms
- Increased fuel consumption
- Black smoke from the exhaust pipe
- Unstable engine operation
- Power Loss
- Smell of gasoline from the exhaust pipe
Causes
- Malfunction of the oxygen sensor after the catalyst
- Problems with fuel injectors
- Malfunction of the mass air flow sensor (MAF)
- Leaking fuel under pressure
- Low fuel rail pressure
How to Fix
- Check the condition of the oxygen sensor after the catalyst
- Diagnose fuel injectors for leaks
- Check the readings of the mass air flow sensor
- Examine the fuel system for leaks
- Check the pressure in the fuel rail
Related codes
Error P2097 by Vehicle Brand
FAQ
What does the P2097 code mean?
P2097 is an OBD-II diagnostic trouble code that indicates: Post Catalyst Fuel Trim System Too Rich Bank 1
What causes a P2097 error code?
The most common causes of P2097 include: Malfunction of the oxygen sensor after the catalyst; Problems with fuel injectors; Malfunction of the mass air flow sensor (MAF); Leaking fuel under pressure.
How do I fix a P2097 diagnostic trouble code?
To fix P2097: Check the condition of the oxygen sensor after the catalyst. Diagnose fuel injectors for leaks. Check the readings of the mass air flow sensor. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2097?
Yes, but get it checked soon
How much does it cost to fix P2097?
The estimated repair cost for P2097 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat