P0165
O2 Sensor Circuit Slow Response Bank 2 Sensor 3
P0165 is an OBD-II diagnostic trouble code meaning: O2 Sensor Circuit Slow Response Bank 2 Sensor 3. Common causes: oxygen sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Increased fuel consumption
- Unstable engine operation
- Power reduction
- Check Engine Light Is On
Causes
- Oxygen sensor malfunction
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Sensor contamination
- Problems with the exhaust system
How to Fix
- Check the integrity of the wiring harness and sensor connector
- Clean the sensor from dirt (if possible)
- Replace the oxygen sensor if necessary
- Check the exhaust system for leaks
Related codes
Error P0165 by Vehicle Brand
FAQ
What does the P0165 code mean?
P0165 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Circuit Slow Response Bank 2 Sensor 3
What causes a P0165 error code?
The most common causes of P0165 include: Oxygen sensor malfunction; Open or short circuit in wiring harness; Poor contact in the sensor connector; Sensor contamination.
How do I fix a P0165 diagnostic trouble code?
To fix P0165: Check the integrity of the wiring harness and sensor connector. Clean the sensor from dirt (if possible). Replace the oxygen sensor if necessary. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0165?
Limited driving only, diagnose soon
How much does it cost to fix P0165?
The estimated repair cost for P0165 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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