P239E
O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2
P239E is an OBD-II diagnostic trouble code meaning: O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2. Common causes: malfunction of oxygen sensor bank 1 sensor 2, damaged or corroded sensor wiring. Estimated repair cost: $28–67.
Symptoms
- Increased fuel consumption
- Unstable engine operation when decelerating
- Check Engine light comes on
- Increased emissions of harmful substances
- Reduced engine power
Causes
- Malfunction of oxygen sensor bank 1 sensor 2
- Damaged or corroded sensor wiring
- Leak in the exhaust system
- Problems with the fuel system
- Malfunction of the catalytic converter
How to Fix
- Check the condition of the oxygen sensor and its connector
- Inspect the sensor wiring for damage
- Check the exhaust system for leaks
- Test the operation of the fuel system
- If necessary, replace the oxygen sensor
Related codes
Error P239E by Vehicle Brand
FAQ
What does the P239E code mean?
P239E is an OBD-II diagnostic trouble code that indicates: O2 Sensor Out of Range During Deceleration Bank 1 Sensor 2
What causes a P239E error code?
The most common causes of P239E include: Malfunction of oxygen sensor bank 1 sensor 2; Damaged or corroded sensor wiring; Leak in the exhaust system; Problems with the fuel system.
How do I fix a P239E diagnostic trouble code?
To fix P239E: Check the condition of the oxygen sensor and its connector. Inspect the sensor wiring for damage. Check the exhaust system for leaks. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P239E?
Yes, but get it checked soon
How much does it cost to fix P239E?
The estimated repair cost for P239E is $28–67. Actual cost depends on your vehicle, location, and labor rates.
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