P0137 2009 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 2009 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 2009 Nissan Sentra Description
What are the Possible Causes of the DTC P0137 2009 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 2009 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 2009 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 2009 Nissan Sentra Code
1. What does the OBDII code P0137 mean for a 2009 Nissan Sentra?
- The code P0137 indicates a problem with the Heated Oxygen Sensor Circuit Low Voltage for Bank 1 Sensor 2 in a 2009 Nissan Sentra.
2. What are some common symptoms of a P0137 code in a 2009 Nissan Sentra?
- Common symptoms include poor fuel economy, rough idling, engine hesitation, and an illuminated check engine light.
3. What are the possible causes of a P0137 code in a 2009 Nissan Sentra?
- The most common causes include a faulty oxygen sensor, wiring issues, exhaust leaks, or a malfunctioning catalytic converter.
4. How can I diagnose the cause of a P0137 code in my 2009 Nissan Sentra?
- You can use an OBDII scanner to retrieve the specific error code, visually inspect the oxygen sensor and related wiring, and perform voltage tests to pinpoint the issue.
5. How can I repair a P0137 code in a 2009 Nissan Sentra?
- Depending on the root cause, you may need to replace the oxygen sensor, repair damaged wiring, fix any exhaust leaks, or replace the catalytic converter.
6. Can I drive my 2009 Nissan Sentra with a P0137 code?
- It is not recommended to drive for an extended period with a P0137 code, as it can lead to decreased fuel efficiency and potential damage to the engine or catalytic converter.
7. How much does it typically cost to repair a P0137 code in a 2009 Nissan Sentra?
- The cost of repairs can vary depending on the specific issue, but replacing an oxygen sensor can range from $100 to $300, while fixing wiring or exhaust leaks may cost more.
8. Will resetting the check engine light clear a P0137 code in a 2009 Nissan Sentra?
- Resetting the check engine light may temporarily clear the code, but it will likely return if the underlying issue causing the P0137 code is not addressed.
9. How often should the oxygen sensors be replaced in a 2009 Nissan Sentra?
- Oxygen sensors typically last around 60,000 to 90,000 miles, but it's recommended to follow the manufacturer's maintenance schedule for specific guidance on replacement intervals.
10. Can a P0137 code in a 2009 Nissan Sentra cause emissions test failure?
- Yes, a P0137 code can cause a vehicle to fail an emissions test due to increased emissions and improper functioning of the oxygen sensor.
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