P0137 2011 Nissan Sentra Code - Heated Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2
Quick Answer
The heated oxygen sensor 2 (HO2S), after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Common causes include Faulty Rear Heated Oxygen Sensor Bank 1, Rear Heated Oxygen Sensor Bank 1 harness is open or shorted, Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
- What it means
- P0137 2011 Nissan Sentra indicates Heated Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2.
- Common causes
- Common causes include Faulty Rear Heated Oxygen Sensor Bank 1, Rear Heated Oxygen Sensor Bank 1 harness is open or shorted, Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection.
- Severity
- Moderate - service should be scheduled soon.
- Can I drive?
- The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.
Code P0137 2011 Nissan Sentra Description
What are the Possible Causes of the DTC P0137 2011 Nissan Sentra?
- Faulty Rear Heated Oxygen Sensor Bank 1
- Rear Heated Oxygen Sensor Bank 1 harness is open or shorted
- Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection
- Inappropriate fuel pressure
- Faulty fuel injectors
- Intake air leaks may be faulty
- Exhaust gas leaks
How to Fix the DTC P0137 2011 Nissan Sentra?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
Code Tech Notes
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0137 2011 Nissan Sentra code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P0137 2011 Nissan Sentra Code
1. What does OBDII code P0137 mean on a 2011 Nissan Sentra?
This code indicates a "Heated Oxygen Sensor Circuit Low Voltage Bank 1 Sensor 2" issue, specifically related to the oxygen sensor downstream of the catalytic converter.
2. What are the common symptoms of P0137 in a 2011 Nissan Sentra?
Common symptoms include poor fuel economy, rough idling, stalling, hesitation during acceleration, and the illumination of the Check Engine Light.
3. What are the possible causes of the P0137 code on a 2011 Nissan Sentra?
Potential causes include a faulty oxygen sensor, damaged wiring or connectors in the sensor circuit, exhaust leaks near the sensor, or issues with the engine's fuel system.
4. How can I diagnose the P0137 code on my 2011 Nissan Sentra?
Diagnosing P0137 typically involves using an OBDII scanner to read the code, checking the oxygen sensor's wiring and connectors for damage, inspecting the sensor for physical defects, and testing the sensor's voltage output.
5. Can I continue driving my 2011 Nissan Sentra with the P0137 code?
It is not recommended to continue driving with the P0137 code unresolved, as it can lead to decreased fuel efficiency and potentially cause damage to the catalytic converter over time.
6. How do I repair the P0137 code on my 2011 Nissan Sentra?
Repairing P0137 often involves replacing the Bank 1 Sensor 2 oxygen sensor, fixing any damaged wiring or connectors, addressing exhaust leaks if present, and clearing the trouble code from the vehicle's computer.
7. Is it possible to reset the P0137 code on a 2011 Nissan Sentra without fixing the underlying issue?
While you can clear the code using an OBDII scanner, the Check Engine Light is likely to reappear if the root cause of the P0137 code is not addressed.
8. How much does it cost to fix the P0137 code on a 2011 Nissan Sentra?
The cost of repairing the P0137 code can vary depending on the specific issue causing the code, but it typically includes the cost of a new oxygen sensor, any necessary parts, and labor charges.
9. Can a DIY enthusiast fix the P0137 code on a 2011 Nissan Sentra?
Depending on your skill level and access to tools, you may be able to replace the oxygen sensor yourself. However, diagnosing and repairing wiring or other issues may require professional assistance.
10. How often does the Bank 1 Sensor 2 oxygen sensor need to be replaced in a 2011 Nissan Sentra?
The oxygen sensor downstream of the catalytic converter, Bank 1 Sensor 2, typically lasts around 100,000 miles but can fail sooner due to various factors like poor fuel quality or driving conditions.
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