P239F
O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2
P239F is an OBD-II diagnostic trouble code meaning: O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2. Common causes: malfunction of oxygen sensor bank 2 sensor 2, damage to the wiring or sensor connector. Estimated repair cost: $28–89.
Symptoms
- Check Engine light comes on
- Increased fuel consumption
- Unstable engine operation when braking
- Reduced engine power
Causes
- Malfunction of oxygen sensor bank 2 sensor 2
- Damage to the wiring or sensor connector
- Exhaust gas leak in front of the sensor
- Problems with the EVAP system
- Malfunction of the catalytic converter
How to Fix
- Check the status of the O2 sensor bank 2 sensor 2
- Inspect the sensor wiring and connectors for damage
- Check the exhaust system for leaks
- Test the operation of the catalytic converter
- Replace the faulty oxygen sensor if necessary
Related codes
Error P239F by Vehicle Brand
FAQ
What does the P239F code mean?
P239F is an OBD-II diagnostic trouble code that indicates: O2 Sensor Out of Range During Deceleration Bank 2 Sensor 2
What causes a P239F error code?
The most common causes of P239F include: Malfunction of oxygen sensor bank 2 sensor 2; Damage to the wiring or sensor connector; Exhaust gas leak in front of the sensor; Problems with the EVAP system.
How do I fix a P239F diagnostic trouble code?
To fix P239F: Check the status of the O2 sensor bank 2 sensor 2. Inspect the sensor wiring and connectors for damage. Check the exhaust system for leaks. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P239F?
Yes, but get it checked soon
How much does it cost to fix P239F?
The estimated repair cost for P239F is $28–89. Actual cost depends on your vehicle, location, and labor rates.
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