P2197
O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 1
P2197 is an OBD-II diagnostic trouble code meaning: O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 1. Common causes: bank 2 sensor 1 oxygen sensor malfunction, engine vacuum leak. Estimated repair cost: $22–89.
Symptoms
- Increased fuel consumption
- Loss of engine power
- Unstable idling
- Check Engine Light Is On
- Dips during acceleration
Causes
- Bank 2 Sensor 1 Oxygen Sensor Malfunction
- Engine vacuum leak
- Clogged fuel filter or weak fuel pump
- Faulty injectors in Bank 2
- Problems with the exhaust gas recirculation (EGR) system
How to Fix
- Check oxygen sensor Bank 2 Sensor 1
- Look for vacuum leaks in the engine
- Check fuel pressure and condition of fuel filter
- Diagnose the operation of injectors in Bank 2
- Check the EGR system for clogging
Related codes
Error P2197 by Vehicle Brand
FAQ
What does the P2197 code mean?
P2197 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Signal Biased/Stuck Lean Bank 2 Sensor 1
What causes a P2197 error code?
The most common causes of P2197 include: Bank 2 Sensor 1 Oxygen Sensor Malfunction; Engine vacuum leak; Clogged fuel filter or weak fuel pump; Faulty injectors in Bank 2.
How do I fix a P2197 diagnostic trouble code?
To fix P2197: Check oxygen sensor Bank 2 Sensor 1. Look for vacuum leaks in the engine. Check fuel pressure and condition of fuel filter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2197?
Limited driving only, diagnose soon
How much does it cost to fix P2197?
The estimated repair cost for P2197 is $22–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat